check box for power apps

Question

Hi Every one,

I am using  Department Field  as check box in  sharepoint and customizing in power app

 

1. IT

2. Security

3. PMO

4.Other

 

when i select Other  Text box should Visible.

I have done using Visibility Property

 

If(Checkbox4.Value = true, true, false).

 

I am not able to save this Text box Value in Department Field .

 

Can anyone help me with this.

 

Thank you,

Sowjanya.