protected function getExportDownloadFilename($strategy, $extension)
    {
        return Carbon::now()->format('Y-m-d_H-i')
             . ' - ' . $this->getModelSlug()
             . '.' . ltrim($extension, '.');
    }
protected function getExportDownloadFilename($strategy, $extension)
    {
        return Carbon::now()->format('Y-m-d_H-i')
             . ' - ' . $this->getModelSlug()
             . '.' . ltrim($extension, '.');
    }
protected function getExportDownloadFilename ( $ strategy , $ extension ) { return Carbon :: now ( ) -> format ( 'Y-m-d_H-i' ) . ' - ' . $ this -> getModelSlug ( ) . '.' . ltrim ( $ extension , '.' ) ; }
Returns filename for an export download.

@param string $strategy
@param string $extension
@return string
Returns filename for an export download .