There are both fixed and optional fields.
Our 18 fixed fields include first and last name (or these two combined to “name”), e-mail address, mobile number, address information, company, job title, opt-in date, personal answer address etc.
In addition to the fixed fields, there are 20 optional fields that you are free to use. You can import information such as Org no., Market area, Date, Social security number plus a whole range of other data points to use in your custom fields.
Optional Custom Fields:
10 short text fields
2 long text fields (for contact information over 100 characters)
2 date fields
6 Numeric fields