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Notice
If a lot already exists, then do nothing. If the provided lot is invalid or does not exist, then an error message will be returned.

Sample Mutation

Add the collection item to user favorites:

mutation{
 addCollectionItemToUserFavorites(collectionItemId:"611c8e1f-0afa-4db8-b4f1-cf1b4f22bea3")
}

Sample Response

{
  "data": {
    "addCollectionItemToUserFavorites": true
  }
}

Name	Type	Description	Required
`collectionItemId`	UUID	The collection item ID.	Yes

Name	Type	Description
N/A	Boolean	Confirmation whether collection item is added to user favorites.

Try to add collection item to user favorites using collection item ID: