JetEngine. Example of custom macros registration based on Jet_Engine_Base_Macros class

include-class.php

<?php

/**
 * Note! Always include mcros file only on 'jet-engine/register-macros' hook - before base class is not avaialable, 
 * after - all macros already registered and you can't insert a new one.
 */
add_action( 'jet-engine/register-macros', function() {
	require_once get_theme_file_path( 'macros.php' );
	new My_JE_Macros();
} );

macros.php

<?php
/**
 * Required methods:
 * macros_tag()  - here you need to set macros tag for JetEngine core
 * macros_name() - here you need to set human-readable macros name for different UIs where macros are available
 * macros_callback() - the main function of the macros. Returns the value
 * macros_args() - Optional, arguments list for the macros. Arguments format is the same ad for Elementor controls
 */
class My_JE_Macros extends Jet_Engine_Base_Macros {

	/**
	 * Returns macros tag
	 *
	 * @return string
	 */
	public function macros_tag() {
		return 'my_macros';
	}

	/**
	 * Returns macros name
	 *
	 * @return string
	 */
	public function macros_name() {
		return 'My Macros';
	}

	/**
	 * Callback function to return macros value
	 *
	 * @return string
	 */
	public function macros_callback( $args = array() ) {
		var_dump( $args );
		return 'macros value';
	}

	/**
	 * Optionally return custom macros attributes array
	 *
	 * @return array
	 */
	public function macros_args() {
		return array(
			'arg_1' => array(
				'label'   => __( 'Arg 1', 'jet-engine' ),
				'type'    => 'text',
				'default' => '',
			),
			'arg_2' => array(
				'label'   => __( 'Arg 2', 'jet-engine' ),
				'type'    => 'text',
				'default' => '',
			)
		);
	}

}