Create Business Offer Metafield
API operation: Open the endpoint in the API reference
Use POST /business/{business_id}/offers/{offer_id}/metafields to create a metafield on a business offer. The current public operation is OfferMetafield.register.
If available, the operation requires administrator or business-manager authentication. The operation verifies the business context and manager ownership, and associates the metafield with offer_id. value_type accepts integer, decimal, boolean, text, or json .
Metafield keys are validated dynamically for each offer. See Extra attributes (Metafields) for shared concepts and List business offer metafields for the related collection.