Legacy model with saved data of form field and the metadata of the form field.
The key can be one of the following
The consecutive repetition index, starting at 0, prefixed with an underscore,
e.g. _0 or _1. Then the value is the corresponding value of the form field, which
could be a string, an array, an object etc., depending on the type of form element.
Legacy model with saved data of form field and the metadata of the form field.
The key can be one of the following
_0or_1. Then the value is the corresponding value of the form field, which could be a string, an array, an object etc., depending on the type of form element.