action api2cart_attribute_assign_group { label: "AttributeAssignGroup" description: "Assign attribute to the group" provider: api2cart method: POST path: "/attribute.assign.group.json" encoding: json input: { type: "object" properties: { attribute_set_id: { type: "string" } group_id: { type: "string" } id: { type: "string" } } required: ["group_id", "id"] additionalProperties: false } output: { type: "object" properties: { result: { type: "object" properties: { assigned: { type: "string" } } } return_code: { type: "integer" } return_message: { type: "string" } } } }