Bindings for a custom control inside a <Field> (id, describedBy, invalid, required), live as the field's props change. Returns null outside a <Field>, so controls can read it unconditionally.
<Field>
id
describedBy
invalid
required
null
Bindings for a custom control inside a
<Field>(id,describedBy,invalid,required), live as the field's props change. Returnsnulloutside a<Field>, so controls can read it unconditionally.