public Participant withParticipantId(String participantId) {
        setParticipantId(participantId);
        return this;
    }
<p>
Unique identifier for this participant, assigned by IVS.
</p>

@param participantId
       Unique identifier for this participant, assigned by IVS.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ivsrealtime/src/main/java/com/amazonaws/services/ivsrealtime/model/Participant.java