--- title: "How can I add new custom fields on my booking engine?" url: https://guestcentric-help.guestcentric.net/en/how-can-i-add-new-custom-fields-on-my-booking-engine language: en is_homepage: false hotel: GuestCentric Support Page city: Alges country: Portugal phone: "+351 21 036-0906" email: support@guestcentric.com --- # GuestCentric Support Page menutoggle [Attend Guestcentric Webinar](mailto:support@guestcentric.com?subject=Attend Guestcentric Webinar) # How can I add new custom fields on my booking engine? | HOME > CONTACTS AREA > How can I create a new external booking engine?  | | --- | ***STEP 1:***First you need to go to the **SETUP** ***STEP 2:*** On the **SETUP AREA**, click on**EXTERNAL BOOKING ENGINE.** ***STEP 3:***Click on **CUSTOM FIELDS** button. ***STEP 4:***Click on the "**ADD**" button and type the name of the new custom field. If you wish to have one additional field **as a mandatory one** use the tick on the required checkbox - Click on "**ADD**" button again which will look like the example below. If you need to add any more custom field, repeat the process. - Finally, click on "**SAVE**". *****STEP 4:***** Select a booking engine and open it by click on "**OPEN**" button or doing double click. - Scroll down to "**ADDITIONAL FIELDS**" area and put "check" on "**ADDITIONAL CUSTOM FIELDS**". - Click on "**APPLY TO OTHER BOOKING ENGINES**" and select in which booking engines do you want the selected fields to be applied. ***STEP 5:***On the **Booking Engine Offers** section, you can***c***hoose the offers you want to include on the booking engine. - Select the offers on the left side box and move them using the arrows to the right side box. *****STEP 6:*****On the **Additional Fields** section, you can select some additional fields that will be displayed bellow the notes on the booking engine. *******STEP 7:*******Click on **Save** and **Save and Close** button. ***Notes:*** If you have an addtional field marked as required and this field is left empty upon booking the reservation this message will appear: - [Self Service Portal](http://support.guestcentric.com) - [Accounting - Billing Information](https://www.guestcentric.com/payment-methods) - [Contact Us](https://www.guestcentric.com/contact-us) - [Log-In](https://login-emea01.guestcentric.net) [Guestcentric](//www.guestcentric.com/) - [About us](//www.guestcentric.com/about-us/) - [Blog](//www.guestcentric.com/blog/) - [Billing Information](//www.guestcentric.com/billing-information/) - [Terms of use](//www.guestcentric.com/terms-of-use/) - [Newsletter Sign Up](//www.guestcentric.com/contact-us/newsletter-signup/) **UNITED STATES** **San Diego** 7752 Fay Ave, Suite L La Jolla, San Diego, CA 92037 T. +1 (858) 900 2400 **New York** 104 West 40th Street, Suite 400 New York, NY 10018 T. +1 (858) 900 2400 **PORTUGAL** **Lisbon** Avenida Jose Gomes Ferreira 9 Miraflores 1495-139 Lisboa T. (+351) 21 036 0906 --- ## GuestCentric Support Page **Address:** Avenida Jose Gomes Ferreira 9 Miraflores, Alges, 1495-139, Portugal **Phone:** +351 21 036-0906 **Email:** [support@guestcentric.com](mailto:support@guestcentric.com)