apply_filters( 'customize_dynamic_partial_class', string $partial_class, string $partial_id, array $partial_args )

245			 * @since 4.5.0246			 *247			 * @param string $partial_class WP_Customize_Partial or a subclass.248			 * @param string $partial_id    ID for dynamic partial.249			 * @param array  $partial_args  The arguments to the WP_Customize_Partial constructor.250			 */251			$partial_class = apply_filters( 'customize_dynamic_partial_class', $partial_class, $partial_id, $partial_args );252 253			$partial = new $partial_class( $this, $partial_id, $partial_args );254 255			$this->add_partial( $partial );256			$new_partials[] = $partial;257		}