How to receive desired properties from IoT hub from device twin

> Please provide us with the following information:
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### This issue is for a: (mark with an `x`)
```
- [ ] bug report -> please search issues before submitting
- [ ] feature request
- [x] documentation issue or request
- [ ] regression (a behavior that used to work and stopped in a new release)
```

### Minimal steps to reproduce
>1. update the device twin properties from azure IoT hub.
2. wait on device side to receive the updated desired properties from IoT hub.
3. there is no debug print for payload indicate that payload received from IoT hub for the change of desired properties.

### Any log messages given by the failure
>No logs for desired properties from IoT hub.

### Expected/desired behavior
>Get the debug print of desired properties as payload in callback function/simple
debug print of all the properties from device twin.

### OS and Version?
> Windows 7, 8 or 10. Linux (which distribution). macOS (Yosemite? El Capitan? Sierra?)
freeRTOS

### Versions
>azure middleware version 1.1.0

### Mention any other details that might be useful
I am using azure iot middleware on stm32u585 (B-U585I-IOT02A) board.
I am able to send telemetry messages to IoT devices and also cloud to device.
when I am changing the desired properties from IoT hub,
how can I verify the desired properties are changed from device side?
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