CrmAzureKeyVaultExampleGetSecretByUrl.cs

string secretUrl = "https://myvaulttest.vault.azure.net/secrets/MyPassword/00000000000000000000000000000000";

//Retrieve a secret by its url
var getKeyByUrlTask1 = Task.Run(async () => await GetSecretByUrl(token, secretUrl));
Task.WaitAll(getKeyByUrlTask1);
if (getKeyByUrlTask1.Result == null)
	throw new InvalidPluginExecutionException("Error retrieving secret value from key vault");
//Deserialize the vault response to get the secret
GetSecretResponse getSecretResponse1 = DeserializeResponse<GetSecretResponse>(getKeyByUrlTask1.Result);
//returnedValue is the Azure Key Vault Secret
string returnedValue = getSecretResponse1.value;

//Get the Secret value from the Key Vault by url - api-version is required
private async Task<string> GetSecretByUrl(string token, string secretUrl)
{
	using (HttpClient httpClient = new HttpClient())
	{
		HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get,
				new Uri(secretUrl + "?api-version=2016-10-01"));
		request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", token);

		HttpResponseMessage response = await httpClient.SendAsync(request);

		return !response.IsSuccessStatusCode ? null
			: response.Content.ReadAsStringAsync().Result;
	}
}