Wait:

This activity is used to validate the existence of an image (input) that appears on the screen.

How to use wait activity?
1.    Open a project.
2.    Search for Wait activity and drag and drop it to the workflow.
3.    Double click on the activity and select the capture symbol.
4.    You will be enabled to snip once the timer ends.
5.    Select and snip the area you wanted to wait.
6.    Execute to see the output.

Technical Reference: