diff --git a/src/types.ts b/src/types.ts
index 6ec28f2..cbc3f58 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -25,4 +25,5 @@ export type Transforms = {
 export enum ObjectUpdate {
   UseSpreadForUpdateAndOriginalRecord = 'for_both',
   UseSpreadOnlyToMakeACopy = 'for_copy',
+  UseAssign = 'use_assign',
 }