getJson() public static method

Gets Json String of Object TemplateSettingsMetadata
public static getJson ( ) : string
return string
 /**
  * Gets Json String of Object TemplateSettings
  * @return string
  */
 public static function getJson()
 {
     return '{"field_name":"TestSample","display_preference":' . TemplateSettingsMetadataTest::getJson() . '}';
 }