Changes

In the "Email" tab click on "Edit" and enter your text. The template variable [PAYPALLINK] creates a clickable Paypal payment link (HTML A Tag) for the amount in the booking deposit field if non zero, otherwise the outstanding balance.

[PAYPALLINK:200] - Creates a Paypal payment link (HTML A Tag) for a fixed amount. A zero amount will cause paypal to provide a field to enter an amount.