'how to add my app name in Contacts in swift

i have a question.

https://support.apple.com/guide/iphone/add-and-use-contact-information-iph3e0ca2db/ios

in 'Quickly reach a contact', it explains that how to to change the default phone number using long press call button.

when i touch and hold the button, i want to show my app name in popup list.

how can i add my app to that list? (callkit?, voip?)



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