Iot/src/V1/ListDevicesRequest.php
public function setGatewayListOptions($var)
    {
        GPBUtil::checkMessage($var, \Google\Cloud\Iot\V1\GatewayListOptions::class);
        $this->gateway_list_options = $var;

        return $this;
    }
public function setGatewayListOptions($var)
    {
        GPBUtil::checkMessage($var, \Google\Cloud\Iot\V1\GatewayListOptions::class);
        $this->gateway_list_options = $var;

        return $this;
    }
public function setGatewayListOptions ( $ var ) { GPBUtil :: checkMessage ( $ var , \ Google \ Cloud \ Iot \ V1 \ GatewayListOptions :: class ) ; $ this -> gateway_list_options = $ var ; return $ this ; }
Options related to gateways.

Generated from protobuf field <code>.google.cloud.iot.v1.GatewayListOptions gateway_list_options = 6;</code>
@param \Google\Cloud\Iot\V1\GatewayListOptions $var
@return $this
Options related to gateways .