How to set Standard Properties on custom toolbox

Hi all.

I have an issue with the toolbox.

I've create my custom toolbox but once i've add it into the toolbox configuration tools, there is no way for me to add Standard properties.

I've tried everything but nothing.

I don't want to add custom properties, but standard properties.

There is a way to set them up in order to have configurable tables that i can export and import to upgrade them?

Thanks

SolidworksToolbox