Open A Default Input In Form Tag

I have the next application: https://codesandbox.io/s/uwmig?file=/index.js, There users can add as many fields as they want and add images for each generated input, clicking on add

Solution 1:

If I understand right you need to use initialValues

Here is an updated example of your code https://codesandbox.io/s/compassionate-fermi-4oedx?file=/SubForm.js

...
<Form
   name="dynamic_form_item"
   {...formItemLayoutWithOutLabel}
   onFinish={onFinish}
   initialValues={{ names: [""] }}
>
...