PropertiesDialog :: setDialogFileName: Bitrix method

      
<?php 
//  Bitrix\Bizproc\Activity\PropertiesDialog :: setDialogFileName()
//  /dist/bitrix/modules/bizproc/lib/activity/propertiesdialog.php:448

    
public function setDialogFileName($dialogFileName)
    {
        
$dialogFileName = (string)$dialogFileName;
        if (
strpos($dialogFileName'.') === false)
            
$dialogFileName .= '.php';

        
$this->dialogFileName $dialogFileName;

        return 
$this;
    }