How to make email an optional field?

Hello,

Please, clarify – do you mean how to add custom fields value in the notification?

Hello

For the booker, remove the email field or make it optional.

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Sorry for my English.

Hello,

Thank you for clarifying this.

Email field is mandatory. What you can do is create a custom form as described here – Using custom fields in the booking form, pre-fill the field with some email address and hide it with CSS. If you will need any help with it, feel free to contact us.