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Retrieves the history of all changes to a parameter.
If you change the KMS key alias for the KMS key used to encrypt a parameter, then
you must also update the key alias the parameter uses to reference KMS. Otherwise,
GetParameterHistory retrieves whatever the original key alias was referencing.
This is an asynchronous operation using the standard naming convention for .NET 4.5 or higher. For .NET 3.5 the operation is implemented as a pair of methods using the standard naming convention of BeginGetParameterHistory and EndGetParameterHistory.
Namespace: Amazon.SimpleSystemsManagement
Assembly: AWSSDK.SimpleSystemsManagement.dll
Version: 3.x.y.z
public virtual Task<GetParameterHistoryResponse> GetParameterHistoryAsync( GetParameterHistoryRequest request, CancellationToken cancellationToken )
Container for the necessary parameters to execute the GetParameterHistory service method.
A cancellation token that can be used by other objects or threads to receive notice of cancellation.
| Exception | Condition |
|---|---|
| InternalServerErrorException | An error occurred on the server side. |
| InvalidKeyIdException | The query key ID isn't valid. |
| InvalidNextTokenException | The specified token isn't valid. |
| ParameterNotFoundException | The parameter couldn't be found. Verify the name and try again. |
.NET Core App:
Supported in: 3.1
.NET Standard:
Supported in: 2.0
.NET Framework:
Supported in: 4.5