When prototyping you it is a good practice to get some example data and create a UI showing thar data.

For this purpose we have the SysDesignMocker pattern in MDriven.

It is packed by a single class that can hold any json structure - and some methods on the class that ViewModels may use to get to the data for a given path.

You get the SysDesignMocker pattern by merging it to your model:

You get to the above TKAssetSynk tab this way:

You can from a viewmodel fill it with mock data: