public void setSubChannelId(String subChannelId) {
        this.subChannelId = subChannelId;
    }
<p>
The ID of the SubChannel that the <code>AppInstanceUser</code> is a member of.
</p>

@param subChannelId
       The ID of the SubChannel that the <code>AppInstanceUser</code> is a member of.
aws-java-sdk-chimesdkmessaging/src/main/java/com/amazonaws/services/chimesdkmessaging/model/AppInstanceUserMembershipSummary.java