def METHOD_NAME(name: Optional[str] = None,
                               premier_add_on_name: Optional[str] = None,
                               resource_group_name: Optional[str] = None,
                               opts: Optional[pulumi.InvokeOptions] = None) -> AwaitableGetWebAppPremierAddOnResult:
    """
    Description for Gets a named add-on of an app.
    Azure REST API version: 2022-09-01.
    :param str name: Name of the app.
    :param str premier_add_on_name: Add-on name.
    :param str resource_group_name: Name of the resource group to which the resource belongs.
    """
    __args__ = dict()
    __args__['name'] = name
    __args__['premierAddOnName'] = premier_add_on_name
    __args__['resourceGroupName'] = resource_group_name
    opts = pulumi.InvokeOptions.merge(_utilities.get_invoke_opts_defaults(), opts)
    __ret__ = pulumi.runtime.invoke('azure-native:web:getWebAppPremierAddOn', __args__, opts=opts, typ=GetWebAppPremierAddOnResult).value
    return AwaitableGetWebAppPremierAddOnResult(
        id=pulumi.get(__ret__, 'id'),
        kind=pulumi.get(__ret__, 'kind'),
        location=pulumi.get(__ret__, 'location'),
        marketplace_offer=pulumi.get(__ret__, 'marketplace_offer'),
        marketplace_publisher=pulumi.get(__ret__, 'marketplace_publisher'),
        name=pulumi.get(__ret__, 'name'),
        product=pulumi.get(__ret__, 'product'),
        sku=pulumi.get(__ret__, 'sku'),
        tags=pulumi.get(__ret__, 'tags'),
        type=pulumi.get(__ret__, 'type'),
        vendor=pulumi.get(__ret__, 'vendor'))