In this specification, concepts and techniques for a mechanism by which participants who are invited to attend a conference event and who are physically present within a conference event environment, such as a conference room, can provide certificates for participating in the conference event through the conference event environment system are described. It is explained. When an individual attempts to join a conference event through the conference event environment system, the individual is prompted to provide his credentials for joining the conference event through the conference event environment system to join the conference event. The conferencing event environment system may inherit an individual's permission with respect to whether or not the person is authorized to present content during a conference event, for example. The conference event roster can be used to indicate that an individual has participated in a conference through the conference event environment system.
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