public void setDeviceType(String deviceType) {
        this.deviceType = deviceType;
    }
<p>
The device type, which currently must be <code>"button"</code>.
</p>

@param deviceType
       The device type, which currently must be <code>"button"</code>.
aws-java-sdk-iot1clickprojects/src/main/java/com/amazonaws/services/iot1clickprojects/model/DeviceTemplate.java