Purpose

An allows a collection of to be defined with a specified order. This type of is therefore useful for creating ordered lists and to specify groups where the components that belong to the same group share the same order.

Data structure

An is an Integer is used to represent ordered lists and alternative hierarchies. Its structure is shown in the following table.

Metadata

The following metadata in the "Foundation metadata " supports this :

 
  900000000000454005 |Foundation metadata concept|
			900000000000455006 |Reference set|
					733619002 |Ordered component type reference set|

Descriptor Template

The tables below show the descriptor that defines the structure of the pattern and an example of descriptor for a specific that follows this pattern.

refsetId	referencedComponentId	attributeDescription	attributeType	attributeOrder
				0
				1

Note: The table above omits the initial four columns of data present in the release file. These follow the standards versioning pattern , ,,. Additionally, to aid understanding, the table above also shows thefrom one of theassociated with each of the identified. The release file only contains the.