Your missing the instance options, because you added the widget directly to the footer. This way, no widget instance is created. If you would drag/drop the widget onto a page, then automatically a widget instance will be created. This will allow you to use the instance options.

If it's about the queue you are after. Have you considered adding the widget through configuring the Service Portal Agent Chat Configurations?
Note: this only works for the out-of-the-box Virtual Agent widget. Though looking at your image, this shouldn't be an issue, as that looks like the out-of-the-box widget.

If my answer helped you in any way, please then mark it as helpful.

Kind regards,
Mark
2020 ServiceNow Community MVP
2020 ServiceNow Developer MVP

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