name property
field name
MUST BE UNIQUE IN A FORM
null name means:
- value will be ignored when get form data
- validation will be ignored when perform a form validation ,but field won't
- when get validation from
FormeState
, this field will be ignored Forme
will not hold this field state , visitors onForme
will not be triggered
if name
changed , field will be disposed and rebuild
Implementation
final String? name;