public Item withParticipantRole(ParticipantRole participantRole) {
        this.participantRole = participantRole.toString();
        return this;
    }
<p>
The role of the sender. For example, is it a customer, agent, or system.
</p>

@param participantRole
       The role of the sender. For example, is it a customer, agent, or system.
@return Returns a reference to this object so that method calls can be chained together.
@see ParticipantRole
aws-java-sdk-connectparticipant/src/main/java/com/amazonaws/services/connectparticipant/model/Item.java