How to make a phone number field clickable/callable in mobile app?

[e_wilber]

In the agent mobile app, how can you make a phone number field auto call the phone number when clicked?

Does it have to be a specially created phone number field or can we set a text field to work the same way?

[Tanushree Maiti]

Hi @e_wilber 

Refer this 

Smart Buttons in ServiceNow Mobile App Builder 

https://www.youtube.com/watch?v=I5k7As015U8&t=33s