With the add-in, it is possible to have your signature when creating events such as adding a task to the calendar or others. This action is enabled by default.
Enable/disable the option
To do so, go to your Connectors settings and click on your add-in. Once done, select the field you wish for the option: Outlook Event
The option will be enabled during the next refresh of the add-in. If you wish, you can refresh the add-in to force the update.
Refresh your add-in
How to refresh my add-in on Outlook.