src/Guzzle/Service/Description/Operation.php
public function setAdditionalParameters($parameter)
    {
        if ($this->additionalParameters = $parameter) {
            $this->additionalParameters->setParent($this);
        }

        return $this;
    }
public function setAdditionalParameters($parameter)
    {
        if ($this->additionalParameters = $parameter) {
            $this->additionalParameters->setParent($this);
        }

        return $this;
    }
public function setAdditionalParameters ( $ parameter ) { if ( $ this -> additionalParameters = $ parameter ) { $ this -> additionalParameters -> setParent ( $ this ) ; } return $ this ; }
Set the additionalParameters of the operation

@param Parameter|null $parameter Parameter to set

@return self
Set the additionalParameters of the operation