public LoRaWANUpdateGatewayTaskCreate withUpdateSignature(String updateSignature) {
        setUpdateSignature(updateSignature);
        return this;
    }
<p>
The signature used to verify the update firmware.
</p>

@param updateSignature
       The signature used to verify the update firmware.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-iotwireless/src/main/java/com/amazonaws/services/iotwireless/model/LoRaWANUpdateGatewayTaskCreate.java