For action mixins, allow read-only properties and collections to be defined, to show useful/relevant context data.

These would simply be rendered underneath the OK/Cancel button.

One property might also show help markup, or hyperlink to reference guides etc.

As a refinement (perhaps split out to separate story), allow a layout file (with same name( as mixin to be specified. Perhaps this might even (through some extension to the existing syntax) allow the parameters to be laid out differently, eg over multiple columns).

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• https://bootstrapious.com/p/bootstrap-sidebar
• https://bootsnipp.com/tags/sidebar