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AF SDK Reference

AFAdmin.GetTrustedProviders Method

  • Last UpdatedNov 18, 2025
  • 3 minute read
AFAdmin.GetTrustedProviders Method
Returns the list of trusted providers in the PISystem.

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

Syntax

public static IList<string> GetTrustedProviders(
	PISystem system
)
Public Shared Function GetTrustedProviders ( 
	system As PISystem
) As IList(Of String)

Dim system As PISystem
Dim returnValue As IList(Of String)

returnValue = AFAdmin.GetTrustedProviders(system)
public:
static IList<String^>^ GetTrustedProviders(
	PISystem^ system
)
static member GetTrustedProviders : 
        system : PISystem -> IList<string> 

Parameters

system
Type: OSIsoft.AFPISystem
The operation will be performed on the specified PISystem.

Return Value

Type: IListString
Returns the list of trusted providers in the PISystem.

Exceptions

ExceptionCondition
SecurityException This exception is thrown when attempting to execute without Admin security rights.
ArgumentNullException This exception is thrown when attempting to execute on a PISystem that is null or deleted.
NotSupportedException This exception is thrown when attempting to execute on a PISystem that does not support the AdminFunctionality feature.

Remarks

This method is used to return the the list of trusted providers in the PISystem. This list is used when validating the AFPlugIn being loaded from the server when the plugin verify level (see GetPlugInVerifyLevel(PISystem)) is RequireSignedTrustedProvider.

Use the PISystem.Supports method to check if the PISystem supports the AdminFunctionality feature.

Security note Security Note
Requires the Admin right to execute.
Note Notes to Callers
This method will error on servers before AF 2018 R2 (2.10.5).

Version Information

AFSDK

Supported in: 3.1.1, 3.1.0, 3.0.2, 3.0.1, 3.0.0, 2.10.11, 2.10.5

See Also

In This Topic
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