square.listMerchantCustomAttributeDefinitions lists the merchant-related custom attribute definitions that belong to a Square seller account.
Example
automations/square-list-merchant-custom-attribute-definitions.automation.ts
Inputs
Every input accepts a compatible signal. It requiresMERCHANT_PROFILE_READ.
Use the official ListMerchantCustomAttributeDefinitions reference for provider field semantics and limits.
Output
Returns the officialSquare.ListMerchantCustomAttributeDefinitionsResponse response as a codec-safe object. Square integer money amounts remain bigint values.