UI Framework support
Only OS UI
Buttons with different Method Properties are supported like :
Ajax, Server and Navigate supported.
Sample
https://assif.outsystemscloud.com/AntiSpamClickSample/Entry1.aspx?_ts=637057312873340045
Referred from João Pedro Abreu - Prevent Spam Click
https://www.outsystems.com/forge/component-overview/670/prevent-spam-clicks