OptionalauthThe credential set to connect with, from an application's auth profiles. Omitted, the application's default profile is used.
OptionalconnectionAn existing connection to re-authenticate instead of opening a new one.
OptionalpreValues the application requires before it can be connected. Read by applications
on auth profiles and by connectors; other native applications take theirs as flat
keys in payload.
OptionaluserCaller metadata to store against the connection.
Which credentials a connect uses, and what to store against the connection.