FML/Controls/FrameInstance.php
public function setModelId($modelId)
    {
        $this->modelId = (string)$modelId;
        $this->model   = null;
        return $this;
    }
public function setModelId($modelId)
    {
        $this->modelId = (string)$modelId;
        $this->model   = null;
        return $this;
    }
public function setModelId ( $ modelId ) { $ this -> modelId = ( string ) $ modelId ; $ this -> model = null ; return $ this ; }
Set the FrameModel id

@api
@param string $modelId FrameModel id
@return static
Set the FrameModel id