Build 
Definition  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 
Definition  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 
Definition  The date and time that the row was last updated and will be based on the Enterprise time zone. 

CreatedBy 
Definition  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 
Definition  The date and time that the row was created and will be based on the Enterprise time zone. 

MSRowVersion 
Definition  Optimistic lock identifier using rowversion datatype. 

MSReplrowguid 
Definition  Unique GUID used to support merge replication. 

EventAvailabilityLimitID 
Definition  archiving tables have same definition as original table 

LinkedAvailabilityID 
Definition  archiving tables have same definition as original table 

LinkedAvailabilityType 
Definition  archiving tables have same definition as original table 

EventID 
Definition  archiving tables have same definition as original table 

EventCategoryID 
Definition  archiving tables have same definition as original table 

MaxLimit 
Definition  archiving tables have same definition as original table