To create or edit any letter, go to Setup | Parameters | Letters. See Add Letters and Customize and Edit Letters. To set up Automated Emails, see Auto Letters Setup

Merge Fields available for Group Letters. See below for details on each field.

• Today's Date - Inserts the date of the current day. 
• Hotel Details - Inserts Hotel details: Entered in SETUP|SETTINGS|SITE DETAILS. See Site Details
  
• Guest Booking Data - Inserts the data entered in group Booking Information Section of the Booking Data. See See Booking Details 
• Group Booking Details - Inserts details entered in the Booking Information for the group and the contact person. See Group Booking Details
• Marketing and Policies - Inserts information from Marketing and Policies. SETUP|SETTINGS|MARKETING AND POLICIES See Marketing and Policies
• Financials - Inserts financial information from the Payment Information and Folio of Booking Data. For more details, see Letters: Merge Fields - Financials See Group Booking Details- Folio 

 To see detailed descriptions of Merge Fields for Group Letters at Merge Fields- Group Letters