protected function get_collection_from() {
        if ($this->collectionfrom === null) {
            $this->collectionfrom = api::search_competencies('', $this->from);
        }
        return $this->collectionfrom;
    }
protected function get_collection_from() {
        if ($this->collectionfrom === null) {
            $this->collectionfrom = api::search_competencies('', $this->from);
        }
        return $this->collectionfrom;
    }
protected function get_collection_from ( ) { if ( $ this -> collectionfrom === null ) { $ this -> collectionfrom = api :: search_competencies ( '' , $ this -> from ) ; } return $ this -> collectionfrom ; }
Get the collection at origin.
@return array
Get the collection at origin .