Access your form administration from the Forms menu.
On the form configuration screen, go to the Fields panel and click Add new field to add a field in Athento.
When you click this button, Athento will ask you to specify the field name you want to add and the data type that will be stored in that field.
When you complete this information, click Create.
There is no need to restart or perform additional configurations. The changes will be visible immediately on the form. Old documents associated with this form will show the new fields empty.