You can easily and quickly add a new contact to your event contacts.
To add a new contact:
Go to Event Manager App > Contacts section > Contacts tab.
Click the + Add button.
In the Add new contact window, enter the details for the new contact. The fields are self-explanatory.
Note: The Sync on Registration setting controls how a contact record will be updated when the contact registers with your event. More details here.
When you're done, click OK.