square.upsertOrderCustomAttribute creates or updates a custom attribute for an order.
Example
automations/square-upsert-order-custom-attribute.automation.ts
Inputs
Every input accepts a compatible signal. It requiresORDERS_WRITE.
Use the official UpsertOrderCustomAttribute reference for provider field semantics and limits.
Output
Returns the officialSquare.UpsertOrderCustomAttributeResponse response as a codec-safe object. Square integer money amounts remain bigint values.