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

@param participantId
       Unique identifier for this participant, assigned by IVS.
aws-java-sdk-ivsrealtime/src/main/java/com/amazonaws/services/ivsrealtime/model/Participant.java