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Users Requesting Confirmation

  • Artigo

When you specify a value of true for the SupportsShouldProcess parameter of the Cmdlet attribute declaration, the Confirm parameter is added to the parameters of the cmdlet.

In the default environment, users can specify the Confirm parameter so that confirmation is requested when the ShouldProcess() method is called. This forces confirmation regardless of the impact level setting.

If Confirm parameter is not used, the ShouldProcess() call requests confirmation if the ConfirmImpact setting is equal to or greater than the $ConfirmPreference preference variable. The default setting of $ConfirmPreference is High. Therefore, in the default environment, only cmdlets and providers that specify a high-impact action request confirmation.

If Confirm is explicitly set to false (-Confirm:$false), the cmdlet runs without prompting for confirmation and the $ConfirmPreference shell variable is ignored.

Remarks

  • For cmdlets and providers that specify SupportsShouldProcess, but not ConfirmImpact, those actions are handled as Medium impact actions, and they will not prompt by default. Their impact level is less than the default setting of the $ConfirmPreference preference variable.

  • If the user specifies the Verbose parameter, they will be notified of the operation even if they are not prompted for confirmation.

See Also