diff --git a/proto/withdrawals_provider_adapter.thrift b/proto/withdrawals_provider_adapter.thrift
index 27ebc5f6..ab5f8773 100644
--- a/proto/withdrawals_provider_adapter.thrift
+++ b/proto/withdrawals_provider_adapter.thrift
@@ -154,6 +154,7 @@ struct ProcessResult {
     1: required Intent                 intent
     2: optional InternalState          next_state
     3: optional domain.TransactionInfo trx
+    4: optional Cash                   new_body
 }
 
 struct Quote {
@@ -181,6 +182,7 @@ struct CallbackResult {
     2: optional InternalState    next_state
     3: required CallbackResponse response
     4: optional domain.TransactionInfo trx
+    5: optional Cash             new_body
 }
 
 service Adapter {