Api\StructType\ApiSearchRequest::setAppId PHP Method

    public function setAppId($appId = null)
    {
        // validation for constraint: string
        if (!is_null($appId) && !is_string($appId)) {
            throw new \InvalidArgumentException(sprintf('Invalid value, please provide a string, "%s" given', gettype($appId)), __LINE__);
        }
        $this->AppId = $appId;
        return $this;
    }