diff --git a/backend/openapi/components/schemas/internal/meet-participant-options.yaml b/backend/openapi/components/schemas/internal/meet-participant-options.yaml
index a0ae398..034376c 100644
--- a/backend/openapi/components/schemas/internal/meet-participant-options.yaml
+++ b/backend/openapi/components/schemas/internal/meet-participant-options.yaml
@@ -15,3 +15,7 @@ properties:
         type: string
         description: The name of the participant.
         example: 'Alice'
+    participantIdentity:
+        type: string
+        description: The unique identity of the participant.
+        example: 'Alice'