These are the default Spindle Professional commands found on the Credit Hound letters.
Pre-emptive letter
##CFG [LetterName]##
##FAX [Account.Contact.Fax]##
##EMAIL [Account.Contact.Email]##
##COMPANY [Account.Name]##
##NAME [Account.Contact.Name]##
##VAR1 [Account.Reference]##
##VAR2 [ChaseDate]##
##VAR3 [ChasedAmountText]##
##PREF [Account.DistributionPref]##
Nobody Available Letter
##CFG [LetterName]##
##FAX [Account.Contact.Fax]##
##EMAIL [Account.Contact.Email]##
##COMPANY [Account.Name]##
##NAME [Account.Contact.Name]##
##VAR1 [Account.Reference]##
##VAR2 [ChaseDate]##
##VAR3 [Account.PromisedAmountText]##
##VAR4 [TransactionList.CallbackList.Date]##
##PREF [Account.DistributionPref]##
Follow-up letter (3)
##CFG [LetterName]##
##FAX [Account.Contact.Fax]##
##EMAIL [Account.Contact.Email]##
##COMPANY [Account.Name]##
##NAME [Account.Contact.Name]##
##VAR1 [Account.Reference]##
##VAR2 [ChaseDate]##
##VAR3 [Account.PromisedAmountText]##
##VAR4 [TransactionList.CallbackList.Date]##
##PREF [Account.DistributionPref]##
Follow-up letter (2)
##CFG [LetterName]##
##FAX [Account.Contact.Fax]##
##EMAIL [Account.Contact.Email]##
##COMPANY [Account.Name]##
##NAME [Account.Contact.Name]##
##VAR1 [Account.Reference]##
##VAR2 [ChaseDate]##
##VAR3 [Account.PromisedAmountText]##
##VAR4 [TransactionList.CallbackList.Date]##
##PREF [Account.DistributionPref]##
Follow-up Letter (1)
##CFG [LetterName]##
##FAX [Account.Contact.Fax]##
##EMAIL [Account.Contact.Email]##
##COMPANY [Account.Name]##
##NAME [Account.Contact.Name]##
##VAR1 [Account.Reference]##
##VAR2 [ChaseDate]##
##VAR3 [Account.PromisedAmountText]##
##VAR4 [TransactionList.CallbackList.Date]##
##PREF [Account.DistributionPref]##
Dispute Report (2)
##CFG [LetterName]##
##COMPANY [Account.Name]##
##FAX [Dispute.DistributionList.Fax]##
##NAME [Dispute.DistributionList.Name]##
##EMAIL [Dispute.DistributionList.Email]##
##VAR1 [Account.Reference]##
##VAR2 [Dispute.Referene]##
##VAR3 [Dispute.AmountText]##
##VAR5 [ Dispute.ResolveDate]##
##VAR4 [Dispute.ReviewDate]##
##VAR6 [Dispute.Reason]##
##VAR7 [Dispute.DistributionList.IsAssignee]##
##VAR8 [Account.Contact.Name]##
##PREF [Account.DistributionPref]##
Dispute Report (1)
##CFG [LetterName]##
##COMPANY [Account.Name]##
##NAME [Dispute.DistributionList.Name]##
##EMAIL [Dispute.DistributionList.Email]##
##FAX [Dispute.DistributionList.Fax]##
##VAR1 [Account.Reference]##
##VAR2 [Dispute.Referene]##
##VAR3 [Dispute.AmountText]##
##VAR4 [Dispute.ReviewDate]##
##VAR5 [ Dispute.ResolveDate]##
##VAR6 [Dispute.Reason]##
##VAR7 [Dispute.DistributionList.IsAssignee]##
##VAR8 [Account.Contact.Name]##
##PREF [Account.DistributiionPref]##
Dispute Notifcation (No contact details)
##CFG [LetterName]##
##NAME [Account.Contact.Name]##
##COMPANY [Account.Name]##
##EMAIL [Account.Contact.Email]##
##VAR1 [Account.Reference]##
##VAR2 [Dispute.Reference]##
##VAR3 [Dispute.AmountText]##
##VAR4 [Dispute.ReviewDateText]##
##VAR5 [Dispute.ResolveDateText]##
##VAR6 [Dispute.AssignedTo.Name]##
##VAR7 [Dispute.AssignedTo.Telephone]##
##VAR8 [Dispute.AssignedTo.Email]##
##PREF [Account.DistributionPref]##
Dispute Notification (contact details)
##CFG [LetterName]##
##NAME [Account.Contact.Name]##
##COMPANY [Account.Name]##
##EMAIL [Account.Contact.Email]##
##VAR1 [Account.Reference]##
##VAR2 [Dispute.Reference]##
##VAR3 [Dispute.AmountText]##
##VAR4 [Dispute.ReviewDateText]##
##VAR5 [Dispute.ResolveDateText]##
##VAR6 [Dispute.AssignedTo.Name]##
##VAR7 [Dispute.AssignedTo.Telephone]##
##VAR8 [Dispute.AssignedTo.Email]##
##PREF [Account.DistributionPref]##
Chasing Letter (2)
##CFG [LetterName]##
##FAX [Account.Contact.Fax]##
##EMAIL [Account.Contact.Email]##
##COMPANY [Account.Name]##
##NAME [Account.Contact.Name]##
##VAR1 [Account.Reference]##
##VAR2 [ChaseDate]##
##VAR3 [ChasedAmountText]##
##PREF [Account.DistributionPref]##
Chasing Letter (1)
##CFG [LetterName]##
##FAX [Account.Contact.Fax]##
##EMAIL [Account.Contact.Email]##
##COMPANY [Account.Name]##
##NAME [Account.Contact.Name]##
##VAR1 [Account.Reference]##
##VAR2 [ChaseDate]##
##VAR3 [ChasedAmountText]##
##PREF [Account.DistributionPref]##