VirtualMachineExtensionCollection.ExistsAsync Method     
Definition
Important
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Checks to see if the resource exists in azure.
- Request Path: /subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachines/{vmName}/extensions/{vmExtensionName}
 - Operation Id: VirtualMachineExtensions_Get
 - Default Api Version: 2025-04-01
 - Resource: VirtualMachineExtensionResource
 
public virtual System.Threading.Tasks.Task<Azure.Response<bool>> ExistsAsync(string vmExtensionName, string expand = default, System.Threading.CancellationToken cancellationToken = default);
	abstract member ExistsAsync : string * string * System.Threading.CancellationToken -> System.Threading.Tasks.Task<Azure.Response<bool>>
override this.ExistsAsync : string * string * System.Threading.CancellationToken -> System.Threading.Tasks.Task<Azure.Response<bool>>
	Public Overridable Function ExistsAsync (vmExtensionName As String, Optional expand As String = Nothing, Optional cancellationToken As CancellationToken = Nothing) As Task(Of Response(Of Boolean))
	Parameters
- vmExtensionName
 - String
 
The name of the virtual machine extension.
- expand
 - String
 
The expand expression to apply on the operation.
- cancellationToken
 - CancellationToken
 
The cancellation token to use.
Returns
Exceptions
vmExtensionName is an empty string, and was expected to be non-empty.
vmExtensionName is null.