The Alias Settings Form
In order to add settings for your Alias Modules, you can register a Settings Form. The settings will appear as a popup form and will apply after the popup is saved and closed.
Having the settings appear as a popup and not updating live is slightly less convenient. On the other hand, it is does allow us to have different settings for different instances of the same (alias) module. Another advantage is that Alias Modules don't need to exist after having been added to the layout, whereas regular modules need to remain active once they are being used.
The settings form is added in the same way as usual, you can follow Beaver Builder's knowledge base article for reference.
Please note that it does come with a few limitations. One of those is that you can't nest form fields.
Location of settings
If you've added a settings form to your Alias Module, the Settings field and 'Edit Settings'-link will be made visible for it.
Clicking the "Edit Settings" link will bring up the Settings Form and you will be able so change them and save.