Item::prepareField

protected function prepareField(array &$field): void
{
	if ($field['name'] === self::CONTRACTOR_FIELD_ID)
	{
		$field['params']['styleName'] = 'client';
	}

	if ($field['name'] === self::SUM_FIELD_ID)
	{
		$field['params']['styleName'] = 'money';
	}

	$field['params']['readOnly'] = true;
}