When using the react-final-form component, you can expect the following result:
<Field
name="answers[0].name"
component="input"
type="radio"
value="0"
/>
{ answers: [ { name: 'value' } ] }
Want to add another property to your field? Here's how to do it:
{ answers: [ { name: 'user input value will here', other: 'my custom data' } ] }
According to final-form, there are 4 ways to name your field component: https://i.stack.imgur.com/moGJA.jpg