diff --git a/api/.env.example b/api/.env.example
index 11dbc43053..1eb790df08 100644
--- a/api/.env.example
+++ b/api/.env.example
@@ -27,6 +27,9 @@ FILES_URL=http://localhost:5001
 # Example: INTERNAL_FILES_URL=http://api:5001
 INTERNAL_FILES_URL=http://127.0.0.1:5001
 
+# TRIGGER URL
+TRIGGER_URL="http://localhost:5001"
+
 # The time in seconds after the signature is rejected
 FILES_ACCESS_TIMEOUT=300