[SOLVED] usign foreign model in own viewhelper as argument

usign foreign model in own viewhelper as argument

From fluid, I call my viewhelper-class <ext:thehelper adr="{adr}" /> {adr} is an array of tt_address → FriendsOfTYPO3\TtAddress\Domain\Model\Address

in the viewhelper I register the argument

    use FriendsOfTYPO3\TtAddress\Domain\Model\Address;
    public function initializeArguments() {
        $this->registerArgument('adr', 'FriendsOfTYPO3\TtAddress\Domain\Model\Address', 'the addresses', true);
    }

this fails with this message: The argument "adr" was registered with type "FriendsOfTYPO3\TtAddress\Domain\Model\Address", but is of type "TYPO3\CMS\Extbase\Persistence\Generic\QueryResult" in view helper

How can I receive the adr-array to work with. Thank You for your help!

Solution

If your VH must accept multiple addresses then your ViewHelper argument must not register the class name of whichever object is contained within a query result, as data type.

Instead you must register the argument with type TYPO3\CMS\Extbase\Persistence\Generic\QueryResult.