iframe a xojo app

I have an app under development here: http://built.grnhll.us:9999/

I wish to display it in an iframe of a “Regular” website.

The app fails to show up in the frame. What am I missing?

[code]

Hello world
[/code]

Answer

Self.Security.FrameEmbedding = WebAppSecurityOptions.FrameOptions.Allow

Thanks Greg!