If you want to change the text of a control or window, you can use this action.
Description of the parameters:
Set Text on Window Titlebar:
If you select this option, the Title of the window will change to the value you specify.
Set Text into Control:
If you select this option, the text of the Control will change to the value you specify.
Target Control / Target Window:
The Target Control/Window that you want to change its text. You can use the % sign at the right of this field to select one of the existing controls.
Text Variable:
The text you want to set to the Control or Target Window. You can use the % sign at the right of this field to select the variable you want.