<p>The authentication method, either OAuth or ManagedIdentity. See <a href="https://docs.microsoft.com/en-us/azure/active-directory/managed-identities-azure-resources/overview" rel="nofollow">https://docs.microsoft.com/en-us/azure/active-directory/managed-identities-azure-resources/overview</a></p><p>Defaults to <code>OAuth</code> in prometheus when set to <code>null</code>.</p>

services.prometheus.scrapeConfigs.*.azure_sd_configs.*.authentication_method

The authentication method, either OAuth or ManagedIdentity

null or one of "OAuth", "ManagedIdentity"