...
（2）In the left navigation bar, go to Omnichannel Omni Widget > My Widget. Select a Widget from the My Widget drop-down list,
...
（5）Click the Options for Visitors section to adjust which operation(s) will be available on the chat window.
...
.
Note：When you enable the Audio & Video Chat function, the options "Allow visitors to request audio chat" and "Allow visitors to request video chat" will appear here.
...
(6) Click the Advanced section to adjust operation(s):
...