How can I iterate over an array of objects which belong to a key value - Flutter

Question

I have a list of data called anchors that has a link to a detailed screen. And each anchor has distribution centers which are an array of nested objects. so I was able to parse

Answer 1

Here is the Sketch that describes what I want to achieve Below. When Users click on an anchor it takes you to that single anchor details page where you will see all the distribution centers belonging to and anchor from there you can now add a record add the record that pertains to a center.