newsletter-bundle/src/Resources/contao/models/NewsletterModel.php
public static function findSentByPid($intPid, array $arrOptions=array())
	{
		$t = static::$strTable;
		$arrColumns = array("$t.pid=?");

		if (!static::isPreviewMode($arrOptions))
		{
			$arrColumns[] = "$t.sent=1";
		}

		if (!isset($arrOptions['order']))
		{
			$arrOptions['order'] = "$t.date DESC";
		}

		return static::findBy($arrColumns, $intPid, $arrOptions);
	}
public static function findSentByPid($intPid, array $arrOptions=array())
	{
		$t = static::$strTable;
		$arrColumns = array("$t.pid=?");

		if (!static::isPreviewMode($arrOptions))
		{
			$arrColumns[] = "$t.sent=1";
		}

		if (!isset($arrOptions['order']))
		{
			$arrOptions['order'] = "$t.date DESC";
		}

		return static::findBy($arrColumns, $intPid, $arrOptions);
	}
Find sent newsletters by their parent ID

@param integer $intPid     The newsletter channel ID
@param array   $arrOptions An optional options array

@return Collection|NewsletterModel[]|NewsletterModel|null A collection of models or null if there are no sent newsletters