EDD Price
The alias EDD price in Mautic is edd_price
This is how you can use edd_price custom field placeholder while composing Mautic Email.
<!-- // Lets assume you are writing a Mautic email --> Hello {contactfield=firstname}, Thank you for purchasing {contactfield=edd_product_name}. You just paid {contactfield=edd_price}. Regards, Your name <!-- // Lets assume this is end of your Mautic email body -->
Hence, edd_price outputs the price of your EDD downloads product/service.