export custom metrics

src/Entity/Action.php

@@ -66,6 +66,24 @@ abstract class Action extends Entity
         ];
     }
 
+    public function exportMetrics(
+        ?string $entry = null,
+        ?array $entries = null,
+        ?string $filter = null,
+        ?array $metrics = null
+    )
+    {
+        return [
+            'json' => [
+                'type' => 'export-metrics',
+                'entry' => $entry,
+                'entries' => $entries,
+                'filter' => $filter,
+                'metrics' => $metrics,
+            ],
+        ];
+    }
+
     public function error(string $message)
     {
         return [