def METHOD_NAME(resource_group_name: Optional[str] = None,
                          route_filter_name: Optional[str] = None,
                          rule_name: Optional[str] = None,
                          opts: Optional[pulumi.InvokeOptions] = None) -> AwaitableGetRouteFilterRuleResult:
    """
    Gets the specified rule from a route filter.
    :param str resource_group_name: The name of the resource group.
    :param str route_filter_name: The name of the route filter.
    :param str rule_name: The name of the rule.
    """
    __args__ = dict()
    __args__['resourceGroupName'] = resource_group_name
    __args__['routeFilterName'] = route_filter_name
    __args__['ruleName'] = rule_name
    opts = pulumi.InvokeOptions.merge(_utilities.get_invoke_opts_defaults(), opts)
    __ret__ = pulumi.runtime.invoke('azure-native:network/v20230201:getRouteFilterRule', __args__, opts=opts, typ=GetRouteFilterRuleResult).value
    return AwaitableGetRouteFilterRuleResult(
        access=pulumi.get(__ret__, 'access'),
        communities=pulumi.get(__ret__, 'communities'),
        etag=pulumi.get(__ret__, 'etag'),
        id=pulumi.get(__ret__, 'id'),
        location=pulumi.get(__ret__, 'location'),
        name=pulumi.get(__ret__, 'name'),
        provisioning_state=pulumi.get(__ret__, 'provisioning_state'),
        route_filter_rule_type=pulumi.get(__ret__, 'route_filter_rule_type'))