example enqueue

enqueue.php

<?php
/**
 * Enqueue block editor assets.
 *
 * @return void
 */
function enqueue_custom_block_editor_modifications() {

	$asset_file = include PLUGIN_PATH . '/build/editor-modifications/index.asset.php';
	wp_enqueue_script(
		'plugin-editor-modifications',
		PLUGIN_URL . '/build/editor-modifications/index.js',
		$asset_file['dependencies'],
		$asset_file['version'],
		true
	);

	wp_enqueue_style(
		'plugin-editor-modifications',
		PLUGIN_URL . '/build/editor-modifications/index.css',
		array(),
		$asset_file['version']
	);
}
add_action( 'enqueue_block_editor_assets', __NAMESPACE__ . '\enqueue_custom_block_editor_modifications' );