listGoogleMeetParticipants returns one page of participants in a conference record.
Example
Inputs
ProvideconferenceRecord. Optional filter selects by the first start or final end time. pageSize accepts 1–250, and pageToken continues a previous request. Second argument { account } selects the Google Account. Inputs accept compatible signals.
Output
Returns{ participants, totalSize?, nextPageToken? }. Each participant includes its identity variant and observed attendance interval.