Merge pull request #29218 from wywarren/fix/27553

Fix for issue #27553 - REST API v3 not supporting settings type `order` and `class` for settings type on shipping zone methods

includes/rest-api/Controllers/Version3/class-wc-rest-shipping-zone-methods-controller.php

@@ -24,4 +24,20 @@ class WC_REST_Shipping_Zone_Methods_Controller extends WC_REST_Shipping_Zone_Met
 	 * @var string
 	 */
 	protected $namespace = 'wc/v3';
+
+	/**
+	 * Get the settings schema, conforming to JSON Schema.
+	 *
+	 * @return array
+	 */
+	public function get_item_schema() {
+		// Get parent schema to append additional supported settings types for shipping zone method.
+		$schema = parent::get_item_schema();
+
+		// Append additional settings supported types (class, order).
+		$schema['properties']['settings']['properties']['type']['enum'][] = 'class';
+		$schema['properties']['settings']['properties']['type']['enum'][] = 'order';
+
+		return $this->add_additional_fields_schema( $schema );
+	}
 }