Retrieving information specified in the Resources field in Outlook's AppointmentCompose

We are creating an Outlook add-in that prompts the user to confirm content when sending.

In order to keep the content as close as possible to what is displayed in the Outlook compose view, we would like to treat conference rooms as conference rooms and all others as required attendees.

Currently, Outlook for Windows has the following issues with the enhancedLocation method:

• If a non-meeting room is specified, it is treated as a Room type.
• If a personal contact group is specified, its existence is not known.

In the Outlook compose view, the behavior is that for conference rooms specified in the Resources field, the room is displayed in both the Required and Location fields, and only in the Required field for others.

Outlook on the web is not affected by this issue as there is no Resources field.

The requests are as follows:

• At a minimum, we would like a way to distinguish between conference rooms by returning only conference rooms as a Room type, and returning values for all others (including personal contact groups, etc.) as a different type.
• If possible, we would like a way to distinguish Rooms and Equipment from other email addresses.

Related OfficeDev/office-js Issue:

https://github.com/OfficeDev/office-js/issues/2944

Thank you.