# Extra Fields

While posting sessions via web-service, companies have a possibility to include additional fields, which can be used in the customer verification process. Such fields will appear in this section and can be chosen to be added as *extra Fields*:

![Extra fields addition](https://1657647809-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MVNVgV6Dh2kMg2n55Z5%2F-MW0aHV34OL4bzXsxzdo%2F-MW0bM_qXARn4zxAONQV%2Fimage.png?alt=media\&token=2c1a609f-0d23-44d0-8a81-c633ec97ddb5)