woocommerce_email_editor_theme_json │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_email_editor_theme_json', 'wp_kama_woocommerce_email_editor_theme_json_filter' );

/**
 * Function for `woocommerce_email_editor_theme_json` filter-hook.
 * 
 * @param  $theme 
 *
 * @return 
 */
function wp_kama_woocommerce_email_editor_theme_json_filter( $theme ){

	// filter...
	return $theme;
}

$theme

-

Where the hook is called

return apply_filters( 'woocommerce_email_editor_theme_json', $theme );

Where the hook is used in WooCommerce

add_filter( 'woocommerce_email_editor_theme_json', array( $this, 'adjust_theme_json' ), 10, 1 );