Merge pull request #183 from zhu1230/cast_id_in_doc

add castIds into doc
Automattic · Mar 13, 2017 · 297e11a · 297e11a
2 parents 88caf69 + 789efcf
commit 297e11a
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/docs/id.md b/docs/id.md
@@ -2,6 +2,8 @@
 
 Casts a string to (or create) an [ObjectId](https://docs.mongodb.com/manual/reference/method/ObjectId/).
 
+In order to use custom id, castIds needs to be explicitly set to false as an option in collection operations.
+
 #### Arguments
 
 1. [`string`] *(string)*: optional hex id to cast to ObjectId. If not provided, a random ObjectId will be created.