How to clear chat history in virtual agent

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By default ServiceNow's virtual agent chat widget will display your chat history from previous sessions.

You can disable this feature by editing the sp_widget record itself with default name Virtual Agent Service Portal Widget.

There in the client_script field we edit how the $ctrl.vaSource property is set.

client_script
$ctrl.toggleWindow = function () {
    if $(ctrl.isWindowVisible) {
        // Leave as is
    } else {
        if ($ctrl.firstPress) {
            // Leave as is
            // $ctrl.vaSource = '/$sn-va-web-client-app.do?sysparm_nostack=true&sysparm_stack=no';
            $ctrl.vaSource = '/$sn-va-web-client-app.do?sysparm_skip_load_history=true';
            // Leave as is
        }
    }
}