Add `Flow > eventHandlers > triggerFulfillment > enableGenerativeFall… (#13897) (#984)

[upstream:44d76e995ff42eef2679a4324a06febf6cae215a]

Signed-off-by: Modular Magician <[email protected]>

Author: modular-magician

dialogflowcx_flow_full/main.tf

@@ -164,6 +164,8 @@ resource "google_dialogflow_cx_flow" "basic_flow" {
           },
         ])
       }
+
+      enable_generative_fallback = true
     }
   }