dbo.SXAGNLetterTemplateVersion 
Default Table Name  SXAGNLetterTemplateVersion 
Definition  Stores previous versions of letter templates as well as links to it's current version which hold most of it's metadata 

dbo.SXAGNLetterTemplateVersion Columns 
ColumnName  Domain  Datatype  NULL  Definition 
Build    int  NO  Identifies the build number and patch level of the software that inserted/updated this row. The format is the Build number followed by 3 digits for the patch level which is typically 000. The build number is tied to specific versions of the software, e.g. Sunrise 15.3 is Build 5021, Sunrise 16.3 is Build 5503. 
TouchedBy    varchar(50)  NO  Information about the user that last updated the row. This will typically be the UserID (IDCode from CV3User table) and may be prefixed with an environment identifier followed by an underscore, e.g. b96d2bf5_jongmore. 
TouchedWhenUTC    datetimeoffset(3)  NO  The date and time that the row was last updated including the time zone offset from UTC, for example 2015-01-30 04:55:04.372 -05:00. The date and time is based on the Enterprise Time Zone. 
CreatedBy    varchar(50)  NO  Information about the user that created the row. This will typically be the UserID (IDCode from CV3User table) and may be prefixed with an environment identifier followed by an underscore, e.g. b96d2bf5_jongmore. 
CreatedWhenUTC    datetimeoffset(3)  NO  The date and time that the row was created including the time zone offset from UTC, for example 2015-01-30 04:55:04.372 -05:00. The date and time is based on the Enterprise Time Zone. 
MSRowVersion    timestamp  NO  Optimistic lock identifier using rowversion datatype. 
Active    bit  NO  Denotes whether the row is active or not, 0 means the row has been soft deleted or deactivated. 
MSReplrowguid    uniqueidentifier  NO  Unique GUID used to support merge replication. 
LetterTemplateVersionID(PK)    int  NO  Auto generated unique primary key value. 
LetterTemplateID(FK)    bigint  NO  A foreign key to the LetterTemplateID column in the SXAGNLetterTemplate table. 
LetterContentData    varbinary(max)  NO  Rich text of the letter template, expect file size less than 200 KB. 
ContextEntityViewID    int  NO  Context for the rule evlauation and the allowed merge fields 
CheckInNote    varchar(255)  NO  Mandatory check-in note for when a new version is created 
BusinessRuleID    bigint  YES  Rule ID merge fields are evaluated against 

dbo.SXAGNLetterTemplateVersion Primary and Unique Keys 
Key Name  Key Type  Keys 
SXAGNLetterTemplateVersionPK  PrimaryKey  LetterTemplateVersionID