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VerbsCommon.Undo Field


Updated: April 27, 2016

Applies To: Windows PowerShell

Specifies an action that sets a resource to its previous state before an action was performed. For example, the Undo-Transaction cmdlet rolls back the changes made in the transaction. This field is introduced in Windows PowerShell 2.0.

Namespace:   System.Management.Automation
Assembly:  System.Management.Automation (in System.Management.Automation.dll)

Public Const Undo As String

Field Value

Type: System.String

The verb portion of a cmdlet name specifies the action that is taken by the cmdlet and is specified by the Cmdlet attribute. For more information about the declaration syntax that is used to specify the Cmdlet attribute, see Cmdlet Attribute Declaration.

For more information about the guidelines for selecting verb names, see Approved Verbs for Windows PowerShell Commands.

This example shows how this field is used in the Cmdlet attribute.

[Cmdlet(VerbsCommon.Undo, "Action")]
public class UndoActionCommand : Cmdlet

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