diff --git a/.github/workflows/liveness_unit_tests.yml b/.github/workflows/liveness_unit_tests.yml
index 9c348d4d..c18db2a5 100644
--- a/.github/workflows/liveness_unit_tests.yml
+++ b/.github/workflows/liveness_unit_tests.yml
@@ -3,6 +3,10 @@ name: Run Unit Tests | Amplify UI Swift Liveness
 on:
   workflow_dispatch:
   workflow_call:
+    inputs:
+      identifier:
+        required: true
+        type: string
   push:
     branches: [ main ]
   pull_request: