Definition Property (UADataItemNode<TValue,TAttribute>)

Vendor-specific, human readable string that specifies how the value of this DataItem is calculated.

Syntax

[CanBeNull()]
[DefaultValue("")]
[MappingTag("OpcLabs.EasyOpc.UA.InformationModel.VariableProperty")]
[UANode(".[Definition]")]
[UAData()]
public string Definition {get; set;}

[CanBeNull()]
[DefaultValue("")]
[MappingTag("OpcLabs.EasyOpc.UA.InformationModel.VariableProperty")]
[UANode(".[Definition]")]
[UAData()]
public:
property String^ Definition {
   String^ get();
   void set (    String^ value);
}

'Declaration
 
<CanBeNullAttribute()>
<DefaultValueAttribute("")>
<MappingTagAttribute("OpcLabs.EasyOpc.UA.InformationModel.VariableProperty")>
<UANodeAttribute(".[Definition]")>
<UADataAttribute()>
Public Property Definition As String

'Usage
 
Dim instance As UADataItemNode(Of TValue,TAttribute)
Dim value As String
 
instance.Definition = value
 
value = instance.Definition

Remarks

Definition is non-localized and will often contain an equation that can be parsed by certain clients. Example: Definition ::= “(TempA – 25) + TempB”

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

Reference

UADataItemNode<TValue,TAttribute> Class
UADataItemNode<TValue,TAttribute> Members

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