GetPIExpressionSummary.Expression Property
- Last UpdatedDec 15, 2025
- 2 minute read
PI Performance equation expression to evaluate
Namespace: OSIsoft.PowerShell
Assembly: OSIsoft.PowerShell (in OSIsoft.PowerShell.dll) Version: 2.2.3.0 (2.2.3.952)
Syntax
[ParameterAttribute(Position = 4, Mandatory = true, ParameterSetName = "WithoutSampleTimes", HelpMessage = "Summary type")] [ParameterAttribute(Position = 4, Mandatory = true, ParameterSetName = "WithSampleTimes", HelpMessage = "Summary type")] [ValidateNotNullOrEmptyAttribute] public string Expression { get; set; }
<ParameterAttribute(Position := 4, Mandatory := true, ParameterSetName := "WithoutSampleTimes", HelpMessage := "Summary type")> <ParameterAttribute(Position := 4, Mandatory := true, ParameterSetName := "WithSampleTimes", HelpMessage := "Summary type")> <ValidateNotNullOrEmptyAttribute> Public Property Expression As String Get Set Dim instance As GetPIExpressionSummary Dim value As String value = instance.Expression instance.Expression = value
public: [ParameterAttribute(Position = 4, Mandatory = true, ParameterSetName = L"WithoutSampleTimes", HelpMessage = L"Summary type")] [ParameterAttribute(Position = 4, Mandatory = true, ParameterSetName = L"WithSampleTimes", HelpMessage = L"Summary type")] [ValidateNotNullOrEmptyAttribute] property String^ Expression { String^ get (); void set (String^ value); }
[<ParameterAttribute(Position = 4, Mandatory = true, ParameterSetName = "WithoutSampleTimes", HelpMessage = "Summary type")>] [<ParameterAttribute(Position = 4, Mandatory = true, ParameterSetName = "WithSampleTimes", HelpMessage = "Summary type")>] [<ValidateNotNullOrEmptyAttribute>] member Expression : string with get, set