AcfConfigExample.txt

/**
 * AcfConfigCustom
 *
 * Create a file in your AdminCustomFiles folder and start the filename with
 * ‘AcfConfig’ then ‘a custom name’ and add ‘.php’.
 *
 * In this file create a class with the basename of the file without the
 * extension. This class should extend AcfConfig and implements Module.
 *
 * Properties of the subclass
 *
 * @var AdminCustomFiles	$adminCustomFiles	Instance of AdminCustomFiles may you need it.
 * @var Page|NullPage		$editPage			In processPageEdit it would be the page you are editting.
 * @var Template			$editTemplate		Template from the page above.
 */
class AcfConfigCustom extends AcfConfig implements Module {

	/**
	 * Optional ready method
	 *
	 * - Use it or leave out.
	 * - We call ready() before calling jsConfig().
	 */
	public function ready() {}

	/**
	 * Required jsConfig method
	 *
	 * Return a PHP array ready to be used for $config->js
	 *
	 * @return array
	 */
	public function jsConfig() {
		$process = $this->wire('process');
		return array(
			"activeProcess" => $process->className(),
			"editPage" => $this->editPage->id,
			"editTemplate" => $this->editTemplate->name,
		);
	}
}