diff --git a/app/src/Controller/Api/v1/MattermostController.php b/app/src/Controller/Api/v1/MattermostController.php
index 718a477..ae4aff3 100644
--- a/app/src/Controller/Api/v1/MattermostController.php
+++ b/app/src/Controller/Api/v1/MattermostController.php
@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace App\Controller\Api\v1;
 
+use App\Model\Alertmanager\AlertmanagerMessage;
 use App\Model\Grafana\GrafanaMessage;
 use App\Service\Mattermost\MattermostServiceInterface;
 use Nelmio\ApiDocBundle\Annotation\Model;
@@ -32,6 +33,47 @@ class MattermostController extends AbstractController
         $this->mattermostService = $mattermostService;
     }
 
+    /**
+     * Send message to a mattermost chat from alertmanager.
+     *
+     * Docs <br>
+     * - https://prometheus.io/docs/alerting/latest/configuration/#webhook_config <br>
+     * - https://docs.mattermost.com/developer/webhooks-incoming.html
+     *
+     * @Route("/api/v1/send_message/alertmanager", methods={"POST"})
+     * @OA\Tag(name="mattermost")
+     * @OA\RequestBody(
+     *     @OA\JsonContent(
+     *         ref=@Model(type=AlertmanagerMessage::class)
+     *     )
+     * )
+     * @OA\Response(
+     *     response=200,
+     *     description="Success delivery"
+     * )
+     */
+    public function sendMessageFromAlertmanager(Request $request): Response
+    {
+        try {
+            $this->logger->notice($request->getContent());
+            $message = $this->serializer->deserialize(
+                $request->getContent(),
+                AlertmanagerMessage::class,
+                'json'
+            );
+            $response = $this->mattermostService->sendAlertmanagerMessage($message);
+
+            return new Response($response->getBody()->getContents());
+        } catch (Throwable $e) {
+            $this->logger->critical($e->getMessage());
+
+            return new Response(
+                $e->getMessage(),
+                0 === $e->getCode() ? Response::HTTP_INTERNAL_SERVER_ERROR : $e->getCode()
+            );
+        }
+    }
+
     /**
      * Send message to a mattermost chat from grafana.
      *
diff --git a/app/src/Model/Alertmanager/Alert.php b/app/src/Model/Alertmanager/Alert.php
new file mode 100644
index 0000000..a156b2f
--- /dev/null
+++ b/app/src/Model/Alertmanager/Alert.php
@@ -0,0 +1,136 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Model\Alertmanager;
+
+use OpenApi\Annotations as OA;
+
+/**
+ * @OA\Schema(
+ *     required={
+ *     "status",
+ *     "labels",
+ *     "annotations",
+ *     "startsAt",
+ *     "endsAt",
+ *     "generatorURL",
+ *     "fingerprint"
+ * }
+ * )
+ */
+class Alert
+{
+    /**
+     * @OA\Property(description="firing")
+     */
+    protected string $status;
+    /**
+     * @OA\Property(description="")
+     */
+    protected Label $labels;
+    /**
+     * @OA\Property(description="")
+     */
+    protected Annotation $annotations;
+    /**
+     * @OA\Property(description="", example="2021-10-11T09:20:26.340165961Z")
+     */
+    protected string $startsAt;
+    /**
+     * @OA\Property(description="", example="2021-10-11T09:24:26.340165961Z")
+     */
+    protected string $endsAt;
+    /**
+     * @OA\Property(description="", example="http://prometheus:9090/graph?g0.expr=node_load1+%3E+1.5&g0.tab=1")
+     */
+    protected string $generatorURL;
+    /**
+     * @OA\Property(description="", example="9419951f83c5c751")
+     */
+    protected string $fingerprint;
+
+    public function getStatus(): string
+    {
+        return $this->status;
+    }
+
+    public function setStatus(string $status): self
+    {
+        $this->status = $status;
+
+        return $this;
+    }
+
+    public function getLabels(): Label
+    {
+        return $this->labels;
+    }
+
+    public function setLabels(Label $labels): self
+    {
+        $this->labels = $labels;
+
+        return $this;
+    }
+
+    public function getAnnotations(): Annotation
+    {
+        return $this->annotations;
+    }
+
+    public function setAnnotations(Annotation $annotations): self
+    {
+        $this->annotations = $annotations;
+
+        return $this;
+    }
+
+    public function getStartsAt(): string
+    {
+        return $this->startsAt;
+    }
+
+    public function setStartsAt(string $startsAt): self
+    {
+        $this->startsAt = $startsAt;
+
+        return $this;
+    }
+
+    public function getEndsAt(): string
+    {
+        return $this->endsAt;
+    }
+
+    public function setEndsAt(string $endsAt): self
+    {
+        $this->endsAt = $endsAt;
+
+        return $this;
+    }
+
+    public function getGeneratorURL(): string
+    {
+        return $this->generatorURL;
+    }
+
+    public function setGeneratorURL(string $generatorURL): self
+    {
+        $this->generatorURL = $generatorURL;
+
+        return $this;
+    }
+
+    public function getFingerprint(): string
+    {
+        return $this->fingerprint;
+    }
+
+    public function setFingerprint(string $fingerprint): self
+    {
+        $this->fingerprint = $fingerprint;
+
+        return $this;
+    }
+}
diff --git a/app/src/Model/Alertmanager/AlertmanagerMessage.php b/app/src/Model/Alertmanager/AlertmanagerMessage.php
new file mode 100644
index 0000000..be39ff0
--- /dev/null
+++ b/app/src/Model/Alertmanager/AlertmanagerMessage.php
@@ -0,0 +1,171 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Model\Alertmanager;
+
+use OpenApi\Annotations as OA;
+
+/**
+ * @OA\Schema(
+ *     required={
+ *     "receiver",
+ *     "message",
+ *     "data",
+ *     "commonLabels",
+ *     "commonAnnotations",
+ *     "externalURL",
+ *     "version",
+ *     "groupKey",
+ *     "truncatedAlerts"
+ * }
+ * )
+ */
+class AlertmanagerMessage
+{
+    /**
+     * @OA\Property(example="notification-provider")
+     */
+    protected string $receiver;
+    /**
+     * @OA\Property(example="firing")
+     */
+    protected string $status;
+    /**
+     * @var Alert[]
+     * @OA\Property()
+     */
+    protected array $alerts;
+    /**
+     * @OA\Property(description="")
+     */
+    protected Label $commonLabels;
+    /**
+     * @OA\Property(description="")
+     */
+    protected Annotation $commonAnnotations;
+    /**
+     * @OA\Property(example="http://alertmanager:9093")
+     */
+    protected string $externalURL;
+    /**
+     * @OA\Property(example="4")
+     */
+    protected string $version;
+    /**
+     * @OA\Property(example="{}:{}")
+     */
+    protected string $groupKey;
+    /**
+     * @OA\Property(example=0)
+     */
+    protected int $truncatedAlerts;
+
+    public function getReceiver(): string
+    {
+        return $this->receiver;
+    }
+
+    public function setReceiver(string $receiver): self
+    {
+        $this->receiver = $receiver;
+
+        return $this;
+    }
+
+    public function getStatus(): string
+    {
+        return $this->status;
+    }
+
+    public function setStatus(string $status): self
+    {
+        $this->status = $status;
+
+        return $this;
+    }
+
+    public function getAlerts(): array
+    {
+        return $this->alerts;
+    }
+
+    public function setAlerts(array $alerts): self
+    {
+        $this->alerts = $alerts;
+
+        return $this;
+    }
+
+    public function getCommonLabels(): Label
+    {
+        return $this->commonLabels;
+    }
+
+    public function setCommonLabels(Label $commonLabels): self
+    {
+        $this->commonLabels = $commonLabels;
+
+        return $this;
+    }
+
+    public function getCommonAnnotations(): Annotation
+    {
+        return $this->commonAnnotations;
+    }
+
+    public function setCommonAnnotations(Annotation $commonAnnotations): self
+    {
+        $this->commonAnnotations = $commonAnnotations;
+
+        return $this;
+    }
+
+    public function getExternalURL(): string
+    {
+        return $this->externalURL;
+    }
+
+    public function setExternalURL(string $externalURL): self
+    {
+        $this->externalURL = $externalURL;
+
+        return $this;
+    }
+
+    public function getVersion(): string
+    {
+        return $this->version;
+    }
+
+    public function setVersion(string $version): self
+    {
+        $this->version = $version;
+
+        return $this;
+    }
+
+    public function getGroupKey(): string
+    {
+        return $this->groupKey;
+    }
+
+    public function setGroupKey(string $groupKey): self
+    {
+        $this->groupKey = $groupKey;
+
+        return $this;
+    }
+
+    public function getTruncatedAlerts(): int
+    {
+        return $this->truncatedAlerts;
+    }
+
+    public function setTruncatedAlerts(int $truncatedAlerts): self
+    {
+        $this->truncatedAlerts = $truncatedAlerts;
+
+        return $this;
+    }
+}
diff --git a/app/src/Model/Alertmanager/Annotation.php b/app/src/Model/Alertmanager/Annotation.php
new file mode 100644
index 0000000..e093379
--- /dev/null
+++ b/app/src/Model/Alertmanager/Annotation.php
@@ -0,0 +1,51 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Model\Alertmanager;
+
+use OpenApi\Annotations as OA;
+
+/**
+ * @OA\Schema(
+ *     required={
+ *     "description",
+ *     "summary"
+ * }
+ * )
+ */
+class Annotation
+{
+    /**
+     * @OA\Property(description="", example="Docker host is under high load, the avg load 1m is at 2.27. Reported by instance nodeexporter:9100 of job nodeexporter.")
+     */
+    protected string $description;
+    /**
+     * @OA\Property(description="", example="Server under high load")
+     */
+    protected string $summary;
+
+    public function getDescription(): string
+    {
+        return $this->description;
+    }
+
+    public function setDescription(string $description): self
+    {
+        $this->description = $description;
+
+        return $this;
+    }
+
+    public function getSummary(): string
+    {
+        return $this->summary;
+    }
+
+    public function setSummary(string $summary): self
+    {
+        $this->summary = $summary;
+
+        return $this;
+    }
+}
diff --git a/app/src/Model/Alertmanager/Label.php b/app/src/Model/Alertmanager/Label.php
new file mode 100644
index 0000000..7700e7d
--- /dev/null
+++ b/app/src/Model/Alertmanager/Label.php
@@ -0,0 +1,102 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Model\Alertmanager;
+
+use OpenApi\Annotations as OA;
+
+/**
+ * @OA\Schema(
+ *     required={
+ *     "alertname",
+ *     "instance",
+ *     "job",
+ *     "monitor",
+ *     "severity"
+ * }
+ * )
+ */
+class Label
+{
+    /**
+     * @OA\Property(description="", example="high_cpu_load")
+     */
+    protected string $alertname;
+    /**
+     * @OA\Property(description="", example="nodeexporter:9100")
+     */
+    protected string $instance;
+    /**
+     * @OA\Property(description="", example="nodeexporter")
+     */
+    protected string $job;
+    /**
+     * @OA\Property(description="", example="docker-host-alpha")
+     */
+    protected string $monitor;
+    /**
+     * @OA\Property(description="", example="warning")
+     */
+    protected string $severity;
+
+    public function getAlertName(): string
+    {
+        return $this->alertname;
+    }
+
+    public function setAlertName(string $alertName): self
+    {
+        $this->alertname = $alertName;
+
+        return $this;
+    }
+
+    public function getInstance(): string
+    {
+        return $this->instance;
+    }
+
+    public function setInstance(string $instance): self
+    {
+        $this->instance = $instance;
+
+        return $this;
+    }
+
+    public function getJob(): string
+    {
+        return $this->job;
+    }
+
+    public function setJob(string $job): self
+    {
+        $this->job = $job;
+
+        return $this;
+    }
+
+    public function getMonitor(): string
+    {
+        return $this->monitor;
+    }
+
+    public function setMonitor(string $monitor): self
+    {
+        $this->monitor = $monitor;
+
+        return $this;
+    }
+
+    public function getSeverity(): string
+    {
+        return $this->severity;
+    }
+
+    public function setSeverity(string $severity): self
+    {
+        $this->severity = $severity;
+
+        return $this;
+    }
+}
diff --git a/app/src/Model/Alertmanager/Status.php b/app/src/Model/Alertmanager/Status.php
new file mode 100644
index 0000000..f5839b5
--- /dev/null
+++ b/app/src/Model/Alertmanager/Status.php
@@ -0,0 +1,68 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Model\Alertmanager;
+
+use OpenApi\Annotations as OA;
+
+/**
+ * @OA\Schema(
+ *     required={
+ *     "state",
+ *     "silencedBy",
+ *     "inhibitedBy"
+ * }
+ * )
+ */
+class Status
+{
+    /**
+     * @OA\Property(description="", example="active")
+     */
+    protected string $state;
+    /**
+     * @OA\Property(description="")
+     */
+    protected ?string $silencedBy;
+    /**
+     * @OA\Property(description="")
+     */
+    protected ?string $inhibitedBy;
+
+    public function getState(): string
+    {
+        return $this->state;
+    }
+
+    public function setState(string $state): self
+    {
+        $this->state = $state;
+
+        return $this;
+    }
+
+    public function getSilencedBy(): ?string
+    {
+        return $this->silencedBy;
+    }
+
+    public function setSilencedBy(?string $silencedBy): self
+    {
+        $this->silencedBy = $silencedBy;
+
+        return $this;
+    }
+
+    public function getInhibitedBy(): ?string
+    {
+        return $this->inhibitedBy;
+    }
+
+    public function setInhibitedBy(?string $inhibitedBy): self
+    {
+        $this->inhibitedBy = $inhibitedBy;
+
+        return $this;
+    }
+}
diff --git a/app/src/Model/Grafana/EvalMatches.php b/app/src/Model/Grafana/EvalMatches.php
index e39e589..35f79a5 100644
--- a/app/src/Model/Grafana/EvalMatches.php
+++ b/app/src/Model/Grafana/EvalMatches.php
@@ -8,7 +8,11 @@ use OpenApi\Annotations as OA;
 
 /**
  * @OA\Schema(
- *     required={"value", "metric", "tags"}
+ *     required={
+ *     "value",
+ *     "metric",
+ *     "tags"
+ * }
  * )
  */
 class EvalMatches
diff --git a/app/src/Service/Mattermost/MattermostService.php b/app/src/Service/Mattermost/MattermostService.php
index 3173cc5..0adae23 100644
--- a/app/src/Service/Mattermost/MattermostService.php
+++ b/app/src/Service/Mattermost/MattermostService.php
@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace App\Service\Mattermost;
 
+use App\Model\Alertmanager\AlertmanagerMessage;
 use App\Model\Grafana\GrafanaMessage;
 use App\Service\BaseService;
 use GuzzleHttp\Exception\GuzzleException;
@@ -31,6 +32,39 @@ class MattermostService extends BaseService implements MattermostServiceInterfac
         $this->botIcon = $botIcon;
     }
 
+    /**
+     * @throws GuzzleException
+     * @throws \JsonException
+     */
+    public function sendAlertmanagerMessage(AlertmanagerMessage $alertmanagerMessage): ResponseInterface
+    {
+        $request = new Request('POST', $this->mattermostUri);
+
+        $string = '';
+        foreach ($alertmanagerMessage->getAlerts() as $num => $message) {
+            $string .= sprintf(
+                "message %s\n - description: %s\n - summary: %s\n\n --- ",
+                $num,
+                $message->getAnnotations()->getDescription(),
+                $message->getAnnotations()->getSummary()
+            );
+        }
+
+        $options = [
+            'headers' => [
+                'Content-Type' => 'application/json',
+            ],
+            'body' => json_encode([
+                'channel' => $this->channelName,
+                'username' => $this->botName,
+                'icon_url' => $this->botIcon,
+                'text' => $string,
+            ], JSON_THROW_ON_ERROR),
+        ];
+
+        return $this->client->send($request, $options);
+    }
+
     /**
      * @throws GuzzleException
      * @throws \JsonException
diff --git a/app/src/Service/Mattermost/MattermostServiceInterface.php b/app/src/Service/Mattermost/MattermostServiceInterface.php
index 7803abb..17854e1 100644
--- a/app/src/Service/Mattermost/MattermostServiceInterface.php
+++ b/app/src/Service/Mattermost/MattermostServiceInterface.php
@@ -4,10 +4,13 @@ declare(strict_types=1);
 
 namespace App\Service\Mattermost;
 
+use App\Model\Alertmanager\AlertmanagerMessage;
 use App\Model\Grafana\GrafanaMessage;
 use Psr\Http\Message\ResponseInterface;
 
 interface MattermostServiceInterface
 {
+    public function sendAlertmanagerMessage(AlertmanagerMessage $alertmanagerMessage): ResponseInterface;
+
     public function sendGrafanaMessage(GrafanaMessage $grafanaMessage): ResponseInterface;
 }
diff --git a/app/tests/Unit/Model/Alertmanager/AlertTest.php b/app/tests/Unit/Model/Alertmanager/AlertTest.php
new file mode 100644
index 0000000..afd73c2
--- /dev/null
+++ b/app/tests/Unit/Model/Alertmanager/AlertTest.php
@@ -0,0 +1,224 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Unit\Model\Alertmanager;
+
+use App\Model\Alertmanager\Annotation;
+use App\Model\Alertmanager\Label;
+use App\Model\Alertmanager\Alert;
+use App\Tests\Unit\UnitTester;
+use ReflectionException;
+
+final class AlertTest extends UnitTester
+{
+    /**
+     * @throws ReflectionException
+     */
+    public function testGetStatus(): void
+    {
+        $alert = new Alert();
+        $value = $this->faker->sha256();
+
+        $property = $this->getClassProperty($alert, 'status');
+        $property->setValue($alert, $value);
+
+        self::assertEquals($value, $alert->getStatus());
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testSetStatus(): void
+    {
+        $alert = new Alert();
+        $value = $this->faker->sha256();
+
+        self::assertEquals($alert, $alert->setStatus($value));
+        self::assertEquals(
+            $value,
+            ($this->getClassProperty($alert, 'status'))
+                ->getValue($alert)
+        );
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testGetLabels(): void
+    {
+        $alert = new Alert();
+        $value = new Label();
+
+        $property = $this->getClassProperty($alert, 'labels');
+        $property->setValue($alert, $value);
+
+        self::assertEquals($value, $alert->getLabels());
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testSetLabels(): void
+    {
+        $alert = new Alert();
+        $value = new Label();
+
+        self::assertEquals($alert, $alert->setLabels($value));
+        self::assertEquals(
+            $value,
+            ($this->getClassProperty($alert, 'labels'))
+                ->getValue($alert)
+        );
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testGetCommonAnnotations(): void
+    {
+        $alert = new Alert();
+        $value = new Annotation();
+
+        $property = $this->getClassProperty($alert, 'annotations');
+        $property->setValue($alert, $value);
+
+        self::assertEquals($value, $alert->getAnnotations());
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testSetCommonAnnotations(): void
+    {
+        $alert = new Alert();
+        $value = new Annotation();
+
+        self::assertEquals($alert, $alert->setAnnotations($value));
+        self::assertEquals(
+            $value,
+            ($this->getClassProperty($alert, 'annotations'))
+                ->getValue($alert)
+        );
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testGetStartsAt(): void
+    {
+        $alert = new Alert();
+        $value = $this->faker->sha256();
+
+        $property = $this->getClassProperty($alert, 'startsAt');
+        $property->setValue($alert, $value);
+
+        self::assertEquals($value, $alert->getStartsAt());
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testSetStartsAt(): void
+    {
+        $alert = new Alert();
+        $value = $this->faker->sha256();
+
+        self::assertEquals($alert, $alert->setStartsAt($value));
+        self::assertEquals(
+            $value,
+            ($this->getClassProperty($alert, 'startsAt'))
+                ->getValue($alert)
+        );
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testGetEndsAt(): void
+    {
+        $alert = new Alert();
+        $value = $this->faker->sha256();
+
+        $property = $this->getClassProperty($alert, 'endsAt');
+        $property->setValue($alert, $value);
+
+        self::assertEquals($value, $alert->getEndsAt());
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testSetEndsAt(): void
+    {
+        $alert = new Alert();
+        $value = $this->faker->sha256();
+
+        self::assertEquals($alert, $alert->setEndsAt($value));
+        self::assertEquals(
+            $value,
+            ($this->getClassProperty($alert, 'endsAt'))
+                ->getValue($alert)
+        );
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testGetGeneratorURL(): void
+    {
+        $alert = new Alert();
+        $value = $this->faker->sha256();
+
+        $property = $this->getClassProperty($alert, 'generatorURL');
+        $property->setValue($alert, $value);
+
+        self::assertEquals($value, $alert->getGeneratorURL());
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testSetGeneratorURL(): void
+    {
+        $alert = new Alert();
+        $value = $this->faker->sha256();
+
+        self::assertEquals($alert, $alert->setGeneratorURL($value));
+        self::assertEquals(
+            $value,
+            ($this->getClassProperty($alert, 'generatorURL'))
+                ->getValue($alert)
+        );
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testGetFingerprint(): void
+    {
+        $alert = new Alert();
+        $value = $this->faker->sha256();
+
+        $property = $this->getClassProperty($alert, 'fingerprint');
+        $property->setValue($alert, $value);
+
+        self::assertEquals($value, $alert->getFingerprint());
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testSetFingerprint(): void
+    {
+        $alert = new Alert();
+        $value = $this->faker->sha256();
+
+        self::assertEquals($alert, $alert->setFingerprint($value));
+        self::assertEquals(
+            $value,
+            ($this->getClassProperty($alert, 'fingerprint'))
+                ->getValue($alert)
+        );
+    }
+}
diff --git a/app/tests/Unit/Model/Alertmanager/AlertmanagerMessageTest.php b/app/tests/Unit/Model/Alertmanager/AlertmanagerMessageTest.php
new file mode 100644
index 0000000..0106db2
--- /dev/null
+++ b/app/tests/Unit/Model/Alertmanager/AlertmanagerMessageTest.php
@@ -0,0 +1,286 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Unit\Model\Alertmanager;
+
+use App\Model\Alertmanager\AlertmanagerMessage;
+use App\Model\Alertmanager\Alert;
+use App\Model\Alertmanager\Annotation;
+use App\Model\Alertmanager\Label;
+use App\Tests\Unit\UnitTester;
+use ReflectionException;
+
+final class AlertmanagerMessageTest extends UnitTester
+{
+    /**
+     * @throws ReflectionException
+     */
+    public function testGetReceiver(): void
+    {
+        $alertmanagerMessage = new AlertmanagerMessage();
+        $value = $this->faker->sha256();
+
+        $property = $this->getClassProperty($alertmanagerMessage, 'receiver');
+        $property->setValue($alertmanagerMessage, $value);
+
+        self::assertEquals($value, $alertmanagerMessage->getReceiver());
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testSetReceiver(): void
+    {
+        $alertmanagerMessage = new AlertmanagerMessage();
+        $value = $this->faker->sha256();
+
+        self::assertEquals($alertmanagerMessage, $alertmanagerMessage->setReceiver($value));
+        self::assertEquals(
+            $value,
+            ($this->getClassProperty($alertmanagerMessage, 'receiver'))
+                ->getValue($alertmanagerMessage)
+        );
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testGetStatus(): void
+    {
+        $alertmanagerMessage = new AlertmanagerMessage();
+        $value = $this->faker->sha256();
+
+        $property = $this->getClassProperty($alertmanagerMessage, 'status');
+        $property->setValue($alertmanagerMessage, $value);
+
+        self::assertEquals($value, $alertmanagerMessage->getStatus());
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testSetStatus(): void
+    {
+        $alertmanagerMessage = new AlertmanagerMessage();
+        $value = $this->faker->sha256();
+
+        self::assertEquals($alertmanagerMessage, $alertmanagerMessage->setStatus($value));
+        self::assertEquals(
+            $value,
+            ($this->getClassProperty($alertmanagerMessage, 'status'))
+                ->getValue($alertmanagerMessage)
+        );
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testGetAlerts(): void
+    {
+        $alertmanagerMessage = new AlertmanagerMessage();
+        $value = [new Alert()];
+
+        $property = $this->getClassProperty($alertmanagerMessage, 'alerts');
+        $property->setValue($alertmanagerMessage, $value);
+
+        self::assertEquals($value, $alertmanagerMessage->getAlerts());
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testSetAlerts(): void
+    {
+        $alertmanagerMessage = new AlertmanagerMessage();
+        $value = [new Alert()];
+
+        self::assertEquals($alertmanagerMessage, $alertmanagerMessage->setAlerts($value));
+        self::assertEquals(
+            $value,
+            ($this->getClassProperty($alertmanagerMessage, 'alerts'))
+                ->getValue($alertmanagerMessage)
+        );
+    }
+
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testGetLabels(): void
+    {
+        $alertmanagerMessage = new AlertmanagerMessage();
+        $value = new Label();
+
+        $property = $this->getClassProperty($alertmanagerMessage, 'commonLabels');
+        $property->setValue($alertmanagerMessage, $value);
+
+        self::assertEquals($value, $alertmanagerMessage->getCommonLabels());
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testSetLabels(): void
+    {
+        $alertmanagerMessage = new AlertmanagerMessage();
+        $value = new Label();
+
+        self::assertEquals($alertmanagerMessage, $alertmanagerMessage->setCommonLabels($value));
+        self::assertEquals(
+            $value,
+            ($this->getClassProperty($alertmanagerMessage, 'commonLabels'))
+                ->getValue($alertmanagerMessage)
+        );
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testGetCommonAnnotations(): void
+    {
+        $alertmanagerMessage = new AlertmanagerMessage();
+        $value = new Annotation();
+
+        $property = $this->getClassProperty($alertmanagerMessage, 'commonAnnotations');
+        $property->setValue($alertmanagerMessage, $value);
+
+        self::assertEquals($value, $alertmanagerMessage->getCommonAnnotations());
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testSetCommonAnnotations(): void
+    {
+        $alertmanagerMessage = new AlertmanagerMessage();
+        $value = new Annotation();
+
+        self::assertEquals($alertmanagerMessage, $alertmanagerMessage->setCommonAnnotations($value));
+        self::assertEquals(
+            $value,
+            ($this->getClassProperty($alertmanagerMessage, 'commonAnnotations'))
+                ->getValue($alertmanagerMessage)
+        );
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testGetExternalURL(): void
+    {
+        $alertmanagerMessage = new AlertmanagerMessage();
+        $value = $this->faker->sha256();
+
+        $property = $this->getClassProperty($alertmanagerMessage, 'externalURL');
+        $property->setValue($alertmanagerMessage, $value);
+
+        self::assertEquals($value, $alertmanagerMessage->getExternalURL());
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testSetExternalURL(): void
+    {
+        $alertmanagerMessage = new AlertmanagerMessage();
+        $value = $this->faker->sha256();
+
+        self::assertEquals($alertmanagerMessage, $alertmanagerMessage->setExternalURL($value));
+        self::assertEquals(
+            $value,
+            ($this->getClassProperty($alertmanagerMessage, 'externalURL'))
+                ->getValue($alertmanagerMessage)
+        );
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testGetVersion(): void
+    {
+        $alertmanagerMessage = new AlertmanagerMessage();
+        $value = $this->faker->sha256();
+
+        $property = $this->getClassProperty($alertmanagerMessage, 'version');
+        $property->setValue($alertmanagerMessage, $value);
+
+        self::assertEquals($value, $alertmanagerMessage->getVersion());
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testSetVersion(): void
+    {
+        $alertmanagerMessage = new AlertmanagerMessage();
+        $value = $this->faker->sha256();
+
+        self::assertEquals($alertmanagerMessage, $alertmanagerMessage->setVersion($value));
+        self::assertEquals(
+            $value,
+            ($this->getClassProperty($alertmanagerMessage, 'version'))
+                ->getValue($alertmanagerMessage)
+        );
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testGetGroupKey(): void
+    {
+        $alertmanagerMessage = new AlertmanagerMessage();
+        $value = $this->faker->sha256();
+
+        $property = $this->getClassProperty($alertmanagerMessage, 'groupKey');
+        $property->setValue($alertmanagerMessage, $value);
+
+        self::assertEquals($value, $alertmanagerMessage->getGroupKey());
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testSetGroupKey(): void
+    {
+        $alertmanagerMessage = new AlertmanagerMessage();
+        $value = $this->faker->sha256();
+
+        self::assertEquals($alertmanagerMessage, $alertmanagerMessage->setGroupKey($value));
+        self::assertEquals(
+            $value,
+            ($this->getClassProperty($alertmanagerMessage, 'groupKey'))
+                ->getValue($alertmanagerMessage)
+        );
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testGetTruncatedAlerts(): void
+    {
+        $alertmanagerMessage = new AlertmanagerMessage();
+        $value = $this->faker->randomNumber();
+
+        $property = $this->getClassProperty($alertmanagerMessage, 'truncatedAlerts');
+        $property->setValue($alertmanagerMessage, $value);
+
+        self::assertEquals($value, $alertmanagerMessage->getTruncatedAlerts());
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testSetTruncatedAlerts(): void
+    {
+        $alertmanagerMessage = new AlertmanagerMessage();
+        $value = $this->faker->randomNumber();
+
+        self::assertEquals($alertmanagerMessage, $alertmanagerMessage->setTruncatedAlerts($value));
+        self::assertEquals(
+            $value,
+            ($this->getClassProperty($alertmanagerMessage, 'truncatedAlerts'))
+                ->getValue($alertmanagerMessage)
+        );
+    }
+}
diff --git a/app/tests/Unit/Model/Alertmanager/CommonAnnotationTest.php b/app/tests/Unit/Model/Alertmanager/CommonAnnotationTest.php
new file mode 100644
index 0000000..132c00c
--- /dev/null
+++ b/app/tests/Unit/Model/Alertmanager/CommonAnnotationTest.php
@@ -0,0 +1,72 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Unit\Model\Alertmanager;
+
+use App\Model\Alertmanager\Annotation;
+use App\Tests\Unit\UnitTester;
+use ReflectionException;
+
+final class CommonAnnotationTest extends UnitTester
+{
+    /**
+     * @throws ReflectionException
+     */
+    public function testGetDescription(): void
+    {
+        $commonAnnotation = new Annotation();
+        $value = $this->faker->sha256();
+
+        $property = $this->getClassProperty($commonAnnotation, 'description');
+        $property->setValue($commonAnnotation, $value);
+
+        self::assertEquals($value, $commonAnnotation->getDescription());
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testSetDescription(): void
+    {
+        $commonAnnotation = new Annotation();
+        $value = $this->faker->sha256();
+
+        self::assertEquals($commonAnnotation, $commonAnnotation->setDescription($value));
+        self::assertEquals(
+            $value,
+            ($this->getClassProperty($commonAnnotation, 'description'))
+                ->getValue($commonAnnotation)
+        );
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testGetSummary(): void
+    {
+        $commonAnnotation = new Annotation();
+        $value = $this->faker->sha256();
+
+        $property = $this->getClassProperty($commonAnnotation, 'summary');
+        $property->setValue($commonAnnotation, $value);
+
+        self::assertEquals($value, $commonAnnotation->getSummary());
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testSetSummary(): void
+    {
+        $commonAnnotation = new Annotation();
+        $value = $this->faker->sha256();
+
+        self::assertEquals($commonAnnotation, $commonAnnotation->setSummary($value));
+        self::assertEquals(
+            $value,
+            ($this->getClassProperty($commonAnnotation, 'summary'))
+                ->getValue($commonAnnotation)
+        );
+    }
+}
diff --git a/app/tests/Unit/Model/Alertmanager/CommonLabelTest.php b/app/tests/Unit/Model/Alertmanager/CommonLabelTest.php
new file mode 100644
index 0000000..2779236
--- /dev/null
+++ b/app/tests/Unit/Model/Alertmanager/CommonLabelTest.php
@@ -0,0 +1,162 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Unit\Model\Alertmanager;
+
+use App\Model\Alertmanager\Label;
+use App\Tests\Unit\UnitTester;
+use ReflectionException;
+
+final class CommonLabelTest extends UnitTester
+{
+    /**
+     * @throws ReflectionException
+     */
+    public function testGetAlertName(): void
+    {
+        $commonLabel = new Label();
+        $value = $this->faker->sha256();
+
+        $property = $this->getClassProperty($commonLabel, 'alertname');
+        $property->setValue($commonLabel, $value);
+
+        self::assertEquals($value, $commonLabel->getAlertName());
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testSetAlertName(): void
+    {
+        $commonLabel = new Label();
+        $value = $this->faker->sha256();
+
+        self::assertEquals($commonLabel, $commonLabel->setAlertName($value));
+        self::assertEquals(
+            $value,
+            ($this->getClassProperty($commonLabel, 'alertname'))
+                ->getValue($commonLabel)
+        );
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testGetInstance(): void
+    {
+        $commonLabel = new Label();
+        $value = $this->faker->sha256();
+
+        $property = $this->getClassProperty($commonLabel, 'instance');
+        $property->setValue($commonLabel, $value);
+
+        self::assertEquals($value, $commonLabel->getInstance());
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testSetInstance(): void
+    {
+        $commonLabel = new Label();
+        $value = $this->faker->sha256();
+
+        self::assertEquals($commonLabel, $commonLabel->setInstance($value));
+        self::assertEquals(
+            $value,
+            ($this->getClassProperty($commonLabel, 'instance'))
+                ->getValue($commonLabel)
+        );
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testGetJob(): void
+    {
+        $commonLabel = new Label();
+        $value = $this->faker->sha256();
+
+        $property = $this->getClassProperty($commonLabel, 'job');
+        $property->setValue($commonLabel, $value);
+
+        self::assertEquals($value, $commonLabel->getJob());
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testSetJob(): void
+    {
+        $commonLabel = new Label();
+        $value = $this->faker->sha256();
+
+        self::assertEquals($commonLabel, $commonLabel->setJob($value));
+        self::assertEquals(
+            $value,
+            ($this->getClassProperty($commonLabel, 'job'))
+                ->getValue($commonLabel)
+        );
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testGetMonitor(): void
+    {
+        $commonLabel = new Label();
+        $value = $this->faker->sha256();
+
+        $property = $this->getClassProperty($commonLabel, 'monitor');
+        $property->setValue($commonLabel, $value);
+
+        self::assertEquals($value, $commonLabel->getMonitor());
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testSetMonitor(): void
+    {
+        $commonLabel = new Label();
+        $value = $this->faker->sha256();
+
+        self::assertEquals($commonLabel, $commonLabel->setMonitor($value));
+        self::assertEquals(
+            $value,
+            ($this->getClassProperty($commonLabel, 'monitor'))
+                ->getValue($commonLabel)
+        );
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testGetSeverity(): void
+    {
+        $commonLabel = new Label();
+        $value = $this->faker->sha256();
+
+        $property = $this->getClassProperty($commonLabel, 'severity');
+        $property->setValue($commonLabel, $value);
+
+        self::assertEquals($value, $commonLabel->getSeverity());
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testSetSeverity(): void
+    {
+        $commonLabel = new Label();
+        $value = $this->faker->sha256();
+
+        self::assertEquals($commonLabel, $commonLabel->setSeverity($value));
+        self::assertEquals(
+            $value,
+            ($this->getClassProperty($commonLabel, 'severity'))
+                ->getValue($commonLabel)
+        );
+    }
+}
diff --git a/app/tests/Unit/Model/Alertmanager/StatusTest.php b/app/tests/Unit/Model/Alertmanager/StatusTest.php
new file mode 100644
index 0000000..82add5f
--- /dev/null
+++ b/app/tests/Unit/Model/Alertmanager/StatusTest.php
@@ -0,0 +1,121 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Unit\Model\Alertmanager;
+
+use App\Model\Alertmanager\Annotation;
+use App\Model\Alertmanager\Label;
+use App\Model\Alertmanager\Message;
+use App\Model\Alertmanager\Status;
+use App\Tests\Unit\UnitTester;
+use ReflectionException;
+
+final class StatusTest extends UnitTester
+{
+    /**
+     * @throws ReflectionException
+     */
+    public function testGetState(): void
+    {
+        $status = new Status();
+        $state = $this->faker->sha256();
+
+        $property = $this->getClassProperty($status, 'state');
+        $property->setValue($status, $state);
+
+        self::assertEquals($state, $status->getState());
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    public function testSetLabels(): void
+    {
+        $status = new Status();
+        $state = $this->faker->sha256();
+
+        self::assertEquals($status, $status->setState($state));
+        self::assertEquals(
+            $state,
+            ($this->getClassProperty($status, 'state'))
+                ->getValue($status)
+        );
+    }
+
+    /**
+     * @dataProvider dataProviderSilencedBy
+     * @throws ReflectionException
+     */
+    public function testGetSilencedBy(?string $silencedBy): void
+    {
+        $status = new Status();
+
+        $property = $this->getClassProperty($status, 'silencedBy');
+        $property->setValue($status, $silencedBy);
+
+        self::assertEquals($silencedBy, $status->getSilencedBy());
+    }
+
+    /**
+     * @dataProvider dataProviderSilencedBy
+     * @throws ReflectionException
+     */
+    public function testSetSilencedBy(?string $silencedBy): void
+    {
+        $status = new Status();
+
+        self::assertEquals($status, $status->setSilencedBy($silencedBy));
+        self::assertEquals(
+            $silencedBy,
+            ($this->getClassProperty($status, 'silencedBy'))
+                ->getValue($status)
+        );
+    }
+
+    public function dataProviderSilencedBy(): array
+    {
+        return [
+            ['silencedBy' => null],
+            ['silencedBy' => $this->faker->sha256()],
+        ];
+    }
+
+    /**
+     * @dataProvider dataProviderInhibitedBy
+     * @throws ReflectionException
+     */
+    public function testGetInhibitedBy(?string $inhibitedBy): void
+    {
+        $status = new Status();
+
+        $property = $this->getClassProperty($status, 'inhibitedBy');
+        $property->setValue($status, $inhibitedBy);
+
+        self::assertEquals($inhibitedBy, $status->getInhibitedBy());
+    }
+
+    /**
+     * @dataProvider dataProviderInhibitedBy
+     * @throws ReflectionException
+     */
+    public function testSetInhibitedBy(?string $inhibitedBy): void
+    {
+        $status = new Status();
+
+        self::assertEquals($status, $status->setInhibitedBy($inhibitedBy));
+        self::assertEquals(
+            $inhibitedBy,
+            ($this->getClassProperty($status, 'inhibitedBy'))
+                ->getValue($status)
+        );
+    }
+
+    public function dataProviderInhibitedBy(): array
+    {
+        return [
+            ['inhibitedBy' => null],
+            ['inhibitedBy' => $this->faker->sha256()],
+        ];
+    }
+}