I am implementing a form containing a set of repeated input fields which need to be initialized with some database values and then modified by user.
That is, we have a container in which set of items should be created:
item1: field1, field2,.. fieldN
item2: field1, field2,.. fieldN
...
I used a JavaScript expression to initialize the values in the form input:
`
var idx = $data.formInput.selectedItemIndex;
if (!$data.formInput.contractAdd.myItems) {
return null;
}