I’ve implemented custom model binding in an asp .net core api. It works more of the time, but is failing for some models and I’m not sure why.

I am not sure if this is even possible but I have a model as follows:

I have been able to properly bind a complex object to my model from a form but I am struggling for one item in particular and it is not making sense why it wont work as I have repeated the same logic for other examples to this one so I am scratching my head why this isnt working as expected. My axios request is as follows: