How to customize invoice layout

Hooks in Traking Details

Copy following codes in your theme’s functions.php file.

/*
 * Before Tracking Details hook
 */
add_action('wpcargo_before_track_details', 'wpcargo_before_track_details_callback');
function wpcargo_before_track_details_callback($shipment){
	?> <h4>Before Tracking Details</h4> <?php
}
/*
 * After Tracking Details hook
 */
add_action('wpcargo_after_track_details', 'wpcargo_after_track_details_callback');
function wpcargo_after_track_details_callback($shipment){
	?> <h4>After Tracking Details</h4> <?php
}

Hooks in After Header Information

/*
 * After Header Information hook
 */
add_action('wpcargo_track_after_header_details', 'wpcargo_track_after_header_details_callback');
function wpcargo_track_after_header_details_callback($shipment){
	?> <p>After Header Information</p> <?php
}

Hooks in Shipment Information

/*
 * Before Shipment Information hook
 */
add_action('wpcargo_before_shipment_details', 'wpcargo_before_shipment_details_callback');
function wpcargo_before_shipment_details_callback($shipment){
	?> <p>Before Shipment Information</p> <?php
}

Hooks in Package Total

/*
 * After Package Total hook
 */
add_action('wpcargo_after_package_totals', 'wpcargo_after_package_totals_callback');
function wpcargo_after_package_totals_callback( $shipment ){
	?> <p>After Package Total</p> <?php
}