Fields that must be filled in or answered in order for the form to be submitted are called required fields. Required fields are marked with * in input forms.
Fields that are necessary for the functionality of d.vinci are marked as required fields in the system. Furthermore, you can determine required fields yourself in some forms. This way you ensure that the information relevant for you is entered.
You can use the field schema configuration of forms to change the properties of form fields (required, optional, hidden).
In addition, you can determine for some objects when creating or editing whether they should be displayed as required fields, such as when creating screening questions.