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# DistanceSensorModeChangeRequest (UORB message)
**TOPICS:** distance_sensor_mode_change_request
## Fields
| Name | Type | Unit [Frame] | Range/Enum | Description |
| -------------- | -------- | ------------ | ---------- | --------------------------------------------- |
| timestamp | `uint64` | | | time since system start (microseconds) |
| request_on_off | `uint8` | | | request to disable/enable the distance sensor |
## Constants
| Name | Type | Value | Description |
| ------------------------------------- | ------- | ----- | ----------- |
| REQUEST_OFF | `uint8` | 0 |
| REQUEST_ON | `uint8` | 1 |
## Source Message
[Source file (GitHub)](https://github.com/PX4/PX4-Autopilot/blob/main/msg/DistanceSensorModeChangeRequest.msg)
::: details Click here to see original file
```c
uint64 timestamp # time since system start (microseconds)
uint8 request_on_off # request to disable/enable the distance sensor
uint8 REQUEST_OFF = 0
uint8 REQUEST_ON = 1
```
:::