def METHOD_NAME(authorization_rule_name: Optional[str] = None,
                                     namespace_name: Optional[str] = None,
                                     resource_group_name: Optional[str] = None,
                                     opts: Optional[pulumi.InvokeOptions] = None) -> AwaitableGetNamespaceAuthorizationRuleResult:
    """
    Response for POST requests that return single SharedAccessAuthorizationRule.
    Azure REST API version: 2023-01-01-preview.
    :param str authorization_rule_name: Authorization Rule Name
    :param str namespace_name: Namespace name
    :param str resource_group_name: The name of the resource group. The name is case insensitive.
    """
    __args__ = dict()
    __args__['authorizationRuleName'] = authorization_rule_name
    __args__['namespaceName'] = namespace_name
    __args__['resourceGroupName'] = resource_group_name
    opts = pulumi.InvokeOptions.merge(_utilities.get_invoke_opts_defaults(), opts)
    __ret__ = pulumi.runtime.invoke('azure-native:notificationhubs:getNamespaceAuthorizationRule', __args__, opts=opts, typ=GetNamespaceAuthorizationRuleResult).value
    return AwaitableGetNamespaceAuthorizationRuleResult(
        id=pulumi.get(__ret__, 'id'),
        location=pulumi.get(__ret__, 'location'),
        name=pulumi.get(__ret__, 'name'),
        properties=pulumi.get(__ret__, 'properties'),
        system_data=pulumi.get(__ret__, 'system_data'),
        tags=pulumi.get(__ret__, 'tags'),
        type=pulumi.get(__ret__, 'type'))