Adds a user to a Webex room using their email address. You can use the "Is Moderator" local variable to determine whether or not the user will be able to moderate the room.

Target: Webex integration target or an HTTP Endpoint for "webexapis.com" with no path

Account Key: None if using an integration-provided target, access token if using an HTTP endpoint target

Steps:
[] Build the authorization header
[] Send the request to the Webex API
[] Check if the request was successful and set output variables

More information about this API: https://developer.webex.com/docs/api/v1/memberships/create-a-membership

Webex - Add Member to Room