RawLayout.php
public function setProperty($id, $name, $value)
    {
        $id = $this->validateAndResolveId($id);

        $this->items[$id][$name] = $value;
    }
public function setProperty($id, $name, $value)
    {
        $id = $this->validateAndResolveId($id);

        $this->items[$id][$name] = $value;
    }
public function setProperty ( $ id , $ name , $ value ) { $ id = $ this -> validateAndResolveId ( $ id ) ; $ this -> items [ $ id ] [ $ name ] = $ value ; }
Sets a value of an additional property for the layout item

@param string $id    The id or alias of the layout item
@param string $name  The property name
@param mixed  $value The property value

@throws Exception\InvalidArgumentException if the id is empty
@throws Exception\ItemNotFoundException if the layout item does not exist
Sets a value of an additional property for the layout item