Pass authkey to feed delete.
diff --git a/tools/cli/wsktrigger.py b/tools/cli/wsktrigger.py
index b7185bd..ec52e09 100644
--- a/tools/cli/wsktrigger.py
+++ b/tools/cli/wsktrigger.py
@@ -148,6 +148,7 @@
             parameters = []
             parameters.append([ 'lifecycleEvent', 'DELETE' ])
             parameters.append([ 'triggerName', triggerName ])
+            parameters.append([ 'authKey', args.auth ])
 
             feedArgs = {
                 'verbose': args.verbose,
@@ -162,4 +163,4 @@
                 return self.deleteResponse(args, res)
             else:
                 print 'error: failed to delete %s feed %s but did delete the trigger' % (self.name, args.name)
-                return responseError(feedResponse, None)
\ No newline at end of file
+                return responseError(feedResponse, None)