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. 

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. 

CreatedWhen 
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. 

OrderSetModificationHistoryID 
Definition  Auto generated unique primary key value. 

OrderCatalogSetGUID 
Definition  GUID of order catalog set that the modificaotn history is tracked. 

FunctionType 
Definition  Modify function type:
0 - Add Item
1 - Modify Item
2 - Remove Item
3 - Add Reference Set
4 - Remove Reference Set
5 - Add Browse Item
6 - Remove Browse Item 

OrderSetHeader 
Definition  Order set header 

Name 
Definition  Stores the name of an order template, order set or browse item. 

SummaryLine 
Definition  Stores the summary line of order templates in the order set 

ObjectGUID 
Definition  For order template or order set, this will be the order GUID.
For function type of 'Add Browse Item' and 'Remove Browse Item', this will be the browse item GUID if a browse item is added/removed. This will be '0' if 'Entire Catalog' is added/removed. 

ItemType 
Definition  Type of items added to the set:
0 - order item
1 - order set
2 - browse item 

ReferencedCatalogSetGUID 
Definition  Stores order catalog set GUID. It can be the referenced standard, generic or linked set, or added order set. 

UserGUID 
Definition  GUID of user who modified the order set. 

UserNameAndOccupation 
Definition  PHI: Stores name and occupation of user who modified the order set in the format of ' ()'. This field is used for historical purposes. 

FromCatalogSetGUID 
Definition  Stores GUID of order set that the order template is copied from. 

MSReplrowguid 
Definition  Unique GUID used to support merge replication.