Dynamic data binding on upload and rename Template

If you create a file upload or a a file rename as action step, a Template field is used to be able to create a name pattern which is awesome but:
grafik
Like in the picture, I inserted a dynamic data binding myself and it would be really useful to select it visually as it is possible in every other case on Wappler. Since several data bindings can be used to compose a filename, some kind of name creator would be ideal like the action composer for dynamic events:

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