# 8.2.5 Empty Threshold Action

Users can define the "**Empty Threshold Action**" by selecting one of the available options from the dropdown menu located on the main screen of the Spraying System, in the section labeled "**Empty Threshold Action**," as depicted in the following illustration.

<figure><img src="https://3726973265-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FEJHDgY5EjEXnZCA7cAxk%2Fuploads%2Ft7RiXzAPdy95tfr4BoBk%2Fimage.png?alt=media&#x26;token=50d18e03-f3b8-4773-981a-68d893de4202" alt=""><figcaption><p>Empty threshold action</p></figcaption></figure>

This parameter triggers a warning message when the payload in the spray tank reaches the preset threshold. Users can configure the empty threshold action as follows:

1. **RTL (Return to Launch)**: The drone will automatically return to the launch point after the liquid in the tank crosses the threshold level.
2. **Hover:** The drone will hover in place when the liquid in the tank crosses the threshold level.
3. **None**: No specific action will be taken when the liquid in the tank crosses the threshold level.