public function getItem(string $dataset, int $itemId) : array
    {
        $item = $this->di->get("remserver")->getItem($dataset, $itemId);
        if (!$item) {
            return [["message" => "The item is not found."]];
        }
        return [$item];
    }
public function getItem(string $dataset, int $itemId) : array
    {
        $item = $this->di->get("remserver")->getItem($dataset, $itemId);
        if (!$item) {
            return [["message" => "The item is not found."]];
        }
        return [$item];
    }
public function getItem ( string $ dataset , int $ itemId ) : array { $ item = $ this -> di -> get ( "remserver" ) -> getItem ( $ dataset , $ itemId ) ; if ( ! $ item ) { return [ [ "message" => "The item is not found." ] ] ; } return [ $ item ] ; }
Get one item from the dataset.

@param string $dataset identifier for the dataset
@param int    $itemId  for the item to get

@return array
Get one item from the dataset .