def METHOD_NAME(authentication_name: Optional[str] = None,
                                                      managed_instance_name: Optional[str] = None,
                                                      resource_group_name: Optional[str] = None,
                                                      opts: Optional[pulumi.InvokeOptions] = None) -> AwaitableGetManagedInstanceAzureADOnlyAuthenticationResult:
    """
    Gets a specific Azure Active Directory only authentication property.
    :param str authentication_name: The name of server azure active directory only authentication.
    :param str managed_instance_name: The name of the managed instance.
    :param str resource_group_name: The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
    """
    __args__ = dict()
    __args__['authenticationName'] = authentication_name
    __args__['managedInstanceName'] = managed_instance_name
    __args__['resourceGroupName'] = resource_group_name
    opts = pulumi.InvokeOptions.merge(_utilities.get_invoke_opts_defaults(), opts)
    __ret__ = pulumi.runtime.invoke('azure-native:sql/v20211101:getManagedInstanceAzureADOnlyAuthentication', __args__, opts=opts, typ=GetManagedInstanceAzureADOnlyAuthenticationResult).value
    return AwaitableGetManagedInstanceAzureADOnlyAuthenticationResult(
        azure_ad_only_authentication=pulumi.get(__ret__, 'azure_ad_only_authentication'),
        id=pulumi.get(__ret__, 'id'),
        name=pulumi.get(__ret__, 'name'),
        type=pulumi.get(__ret__, 'type'))