src/Repository/QueryParameters.php
public function orderBy($field, $direction = self::ASCENDING) {
        $this->orderBy = [$field, $direction];
        return $this;
    }
public function orderBy($field, $direction = self::ASCENDING) {
        $this->orderBy = [$field, $direction];
        return $this;
    }
Changes how the results are ordered.
@param string $field
@return self