square.updateItemModifierLists updates the CatalogModifierList objects that apply to the targeted CatalogItem without having to perform an upsert on the entire item.
Example
automations/square-update-item-modifier-lists.automation.ts
Inputs
Every input accepts a compatible signal. It requiresITEMS_WRITE.
Use the official UpdateItemModifierLists reference for provider field semantics and limits.
Output
Returns the officialSquare.UpdateItemModifierListsResponse response as a codec-safe object. Square integer money amounts remain bigint values.