diff --git a/connect/project.proto b/connect/project.proto
index 46adf47..86289fd 100644
--- a/connect/project.proto
+++ b/connect/project.proto
@@ -37,4 +37,5 @@ message ClassifierRetrieveRequest {
 
 message ClassifierDestroyRequest {
     string uuid = 1;
+    string user_email = 2;
 }