I'm just wondering if it's possible to create a dropdown list of email contacts that are available to my Apps' logged in user?
Usage: I have an app where the user can email some data to themselves. I want them to have the option to email this same data to others. These 'others' maybe internal or external contacts (so not all will be in our enterprise Office365 contacts list). I guess it would act similar to the auto-complete cache in Outlook?