How can I alter the continue shopping button on the thank you page?

[Jonkeithguo84]

We are creating a checkout ui extension app for our store. On the Thank You page we would like to be able to change url continue shopping button with window.close() because we use custom app, so we want back to our app. How we to change it ? need advise 

[matoow]

Hi, does anyone have a solution for this please?

[sharpy]

+1 on how/if this can be done??