public UpdateUserSettingsRequest withUserId(String userId) {
        setUserId(userId);
        return this;
    }
<p>
The user ID.
</p>

@param userId
       The user ID.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-chime/src/main/java/com/amazonaws/services/chime/model/UpdateUserSettingsRequest.java