# Bluetooth LE Descriptor Write

Write a value to the BLE Descriptor.

Action available for the following operating systems:

![](https://3821468174-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LrTlA1suFa5N48x_83N%2F-MGNvrygahkCuEdVVkIq%2F-MGNwLqiqP4r-AXo-0B4%2FTodos%20menos%20IWindows%20CE%20E%20Mobile.PNG?alt=media\&token=ec0ed475-840e-4c43-bbd0-838f1de62214)

### Parameters

*Targets*

* **Service UUID** *\<string>*
* **Characteristic UUID** *\<string>*
* **Descriptor UUID** *\<string>*
* **Timeout (ms)** *\<numeric>* - Value in Milliseconds
* **Value** *\<unquoted string>* - Control or variable.

{% hint style="info" %}
For more information that helps the use of this action you can consult the following links:

<https://www.bluetooth.com/specifications/gatt/services/>\
<https://www.bluetooth.com/specifications/gatt/characteristics/>
{% endhint %}