AF SDK Reference

AFCollectiveMembers.Add Method (PISystem)

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AFCollectiveMembers.Add Method (PISystem)

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Last UpdatedNov 18, 2025
2 minute read

Adds a new collective member to the AFCollective using the specified PISystem.

Namespace: OSIsoft.AF.Collective
Assembly: OSIsoft.AFSDK (in OSIsoft.AFSDK.dll) Version: 3.1.1.1182

Syntax

public AFCollectiveMember Add(
	PISystem system
)

Public Function Add ( 
	system As PISystem
) As AFCollectiveMember

Dim instance As AFCollectiveMembers
Dim system As PISystem
Dim returnValue As AFCollectiveMember

returnValue = instance.Add(system)

public:
AFCollectiveMember^ Add(
	PISystem^ system
)

member Add : 
        system : PISystem -> AFCollectiveMember

Parameters

system: Type: OSIsoft.AFPISystem
The PISystem used to initialize the new collective member.

Return Value

Type: AFCollectiveMember
Returns the newly created AFCollectiveMember object.

Remarks

This method is used to add a new Secondary collective member to the AFCollective. The new collective member will be initialized to use the existing server represented by the specified PISystem. Once the PISystem has been added to the collective, it should be removed from the PISystems collection to avoid confusion when attempting to select connections to the server in the future. This change will not go into effect until saved to the server using one of the AFCollective.ApplyChanges Overload methods.

AF SDK Reference