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Documentation for JetBooking calendar JS API!

Filter jet-booking/input/config

Allows to change initial set up of booking calendar. Usage example:

window.jetBookingState.filters.add( "jet-booking/input/config", ( config ) => {

	const validateDay = config.beforeShowDay;

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<?php
add_filter( 'jet-engine/listings/allowed-callbacks', 'my_je_callback_register' );
function my_je_callback_register( $callbacks ) {
	$callbacks['my_je_get_link_callback'] = 'Get link by meta fields';
	return $callbacks;
}

function my_je_get_link_callback() {
	
	$label_field = 'status'; // Replace `status` with your meta field where link label is stored

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<?php
add_action( 'wp_footer', function() {
	echo '<script>
		jQuery( document ).on( "jet-booking/init-field", ( $event, $field ) => {
			var silent = false;
			var format = $field.data( "format" ) || "YYYY-MM-DD";
			$field.bind( "datepicker-change", ( event, obj ) => {
				silent = ! silent;
				if ( silent ) {
					$field.data( "dateRangePicker" ).setEnd( moment( obj.date1 ).add( 7, "d" ).format( "YYYY-MM-DD" ) );

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<?php
add_filter( 'jet-engine/listings/allowed-callbacks', function( $callbacks ) {
	$callbacks['jet_advanced_rel_list'] = 'Advanced realtions list';
	return $callbacks;
} );

function jet_advanced_rel_list( $items = [] ) {
	
	if ( empty( $items ) ) {
		return;

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<?php
$rel_id     = 111; // Set here your actual Relation ID. You can get it from an address bar on relation settings edit page
$relation   = jet_engine()->relations->get_active_relations( $rel_id );
$parent_id  = 111; // ID of prequired arent object from relation
$child_id   = 111; // ID of prequired arent object from relation
$key        = 'meta_key'; // Name/ID of meta field to get
$meta_value = $relation->get_meta( $parent_id, $child_id, $key );

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<?php
/**
 * 1. Add action Hook before Insert/update CCT, set 'validate-cct' as hook name - https://i.imgur.com/48wcTA4.png
 * 2. Replace 'tournaments' with your actual CCT slug
 * 3. Replace 'name' with actual parameters to find similar items
 */
add_filter( 'jet-form-builder/custom-filter/validate-cct', function( $result, $request, $action ) {

	$cct_slug = 'tournaments';
	$cct      = \Jet_Engine\Modules\Custom_Content_Types\Module::instance()->manager->get_content_types( $cct_slug );

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<?php
namespace Jet_Engine\Query_Builder\Queries;

// put this file into jet-engine\includes\components\query-builder\queries\ and replace initial file
// this comment is actual until 3.0.3 version

abstract class Base_Query {

	public $id            = false;
	public $name          = false;

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<?php
// Base arg class. all args must extend it
abstract class Base_Arg {
	
	// returns main arg
	abstract public function get_arg();
	
	// returns main arg label for UI control
	abstract public function get_name();
	

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<?php

add_action( 'init', function() {
	
	// Check if need to do an API request
	if ( empty( $_GET['test_api_request'] ) ) {
		return;
	}

	// get remote data

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<?php

add_filter( 'jet-engine/listings/ajax-listing-url', function( $url ) {
	return esc_url( admin_url( 'admin-ajax.php' ) );
} );