public function addChild($value)
    {
        if (is_null($this->data))
            $this->data = array();
        $this->data[] = $value;
    }
public function addChild($value)
    {
        if (is_null($this->data))
            $this->data = array();
        $this->data[] = $value;
    }
public function addChild ( $ value ) { if ( is_null ( $ this -> data ) ) $ this -> data = array ( ) ; $ this -> data [ ] = $ value ; }
Adds property to collection
@param ClientValueObject $value
Adds property to collection