action xtrf_get_custom_fields_1 { label: "Returns custom fields of a given client." description: "Returns custom fields of a given client." provider: xtrf method: GET path: "/customers/{customerId}/customFields" encoding: json input: { type: "object" properties: { customerId: { type: "integer" format: "int64" } } required: ["customerId"] additionalProperties: false } output: { type: "object" additionalProperties: true } }