public function orderBy(string ...$field)
    {
        $this->changed = true;
        $this->orderBy = $field;

        return $this;
    }
public function orderBy(string ...$field)
    {
        $this->changed = true;
        $this->orderBy = $field;

        return $this;
    }
public function orderBy ( string ... $ field ) { $ this -> changed = true ; $ this -> orderBy = $ field ; return $ this ; }
Setup fields for the ORDER BY clause.

@param string $field
@return self
Setup fields for the ORDER BY clause .