allow data binding as inputs for custom components

Lets say you have most of your content in something like contentful which is great for handling mass amounts of data.

Lets say you have a data model on contentful called people on contentful.

Lets say your builder page has a custom component called employee profile pictures.

It would be amazing if you can link the data from the data model in contentful to the input for your custom component. So in other words, select 2 or 3 options of people to render in your custom component.

This would then serve as a way to consolidate your data and provide input validation for your field.

Currently you can use data binding on the field. but you cant use it but then allow people to add and remove items from the list. so in other words you can say give 10 results from people with these filters, but you cant allow people to select specific entries from those 10 people without editing the data binding