protected function get_collection_to() {
        if ($this->collectionto === null) {
            $this->collectionto = api::search_competencies('', $this->to);
        }
        return $this->collectionto;
    }
protected function get_collection_to() {
        if ($this->collectionto === null) {
            $this->collectionto = api::search_competencies('', $this->to);
        }
        return $this->collectionto;
    }
protected function get_collection_to ( ) { if ( $ this -> collectionto === null ) { $ this -> collectionto = api :: search_competencies ( '' , $ this -> to ) ; } return $ this -> collectionto ; }
Get the collection at destination.
@return array
Get the collection at destination .