Hi!

I am building some digital assets that pretty much work as wrappers around the geometry, alembic, mantra and arnold ROP nodes.

I need to use customize the “Render” button, by adding a python callback script and potentially some channels. I am not being able to do anything with that button though, as modification seems to be disabled.

How should I go about this? Any suggestions?

Thanks!

you could try this:
I created an object HDA
added a geometry ROP inside
then promoted the 3 buttons to the HDAs top level
now if I open the Type Properties of the HDA I can add callbacks to those buttons

was this what you were trying to do?

Actually unfortunately no. The nodes I'm creating must be in the out (ROP) context. When a subnet is created in that context, it automatically creates the “Render” button: that is what I actually need to modify.

Hey, all you need to do is alt middle mouse button click the render button. This will export the button to type properties in your hda.