Attribute	Type	Description	Possible Values
label	string	label for the input field	N/A
key	string	key name for the attribute as defined in the User Pool	N/A
required	boolean	whether or not the field is required	N/A
displayOrder	number	number indicating the order in which fields will be displayed	N/A
type	string	the type attribute for the html input element	‘string’, ‘number’, ‘password’, etc
custom	boolean	flag which indicates whether or not the field is ‘custom’ in the User Pool	N/A