> For the complete documentation index, see [llms.txt](https://payum.gitbook.io/payum/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://payum.gitbook.io/payum/symfony/container-tags.md).

# Container tags

The bundle supports\reuse several Symfony container tags. You may find them useful too.

### Gateway tag

The tag `payum.gateway` could be used if you want to register your service as a gateway gateway. The service must implement `Payum\Core\GatewayInterface`.

```yaml
# app/config/config.yml

services:
    acme.foo_gateway:
        class: Payum\Core\Gateway
        public: true
        tags:
            - { name: payum.gateway, gateway: foo }
```

Attributes:

* factory - define if you want later add actions or extensions to all gateways created by this factory.
* gateway - define if you want later add actions or extensions to this gateway.

### Action tag

The tag `payum.action` could be used if you want to register your service as an action. The service must implement `Payum\Core\Action\ActionInterface`.

```yaml
# app/config/config.yml

services:
    acme.foo_action:
        class: Payum\Core\Action\ActionInterface
        public: true
        tags:
            - { name: payum.action, factory: foo, gateway: bar, all: true, alias: foo, prepend: false }
```

Attributes:

* factory - define if you want to add the action to gateways created by the factory with given name.
* gateway - define if you want to add the action to a gateway with given name
* all - define if you want to add the action to all gateways
* prepend - define if you want your action to be put at the beginning.
* alias - you can use alias if you' like to overwrite the default action or add a good looking name

### Api tag

The tag `payum.api` could be used if you want to register your service as an api. The service could be any object.

```yaml
# app/config/config.yml

services:
    acme.foo_api:
        class: Acme\Payum\FooApi
        public: true
        tags:
            - { name: payum.api, factory: foo, gateway: bar, all: true, alias: foo, prepend: false }
```

Attributes:

* factory - define if you want to add the extension to gateways created by the factory with given name.
* gateway - define if you want to add the extension to a gateway with given name
* all - define if you want to add the extension to all gateways
* prepend - define if you want your extension to be put at the beginning.
* alias - you can use alias if you' like to overwrite the default action or add a good looking name

### Extension tag

The tag `payum.extension` could be used if you want to register your service as an extension. The service must implement `Payum\Core\Extension\ExtensionInterface`.

```yaml
# app/config/config.yml

services:
    acme.foo_extension:
        class: Payum\Core\Extension\ExtensionInterface
        public: true
        tags:
            - { name: payum.extension, factory: foo, gateway: bar, all: true, alias: foo, prepend: false }
```

Attributes:

* factory - define if you want to add the extension to gateways created by the factory with given name.
* gateway - define if you want to add the extension to a gateway with given name
* all - define if you want to add the extension to all gateways
* prepend - define if you want your extension to be put at the beginning.
* alias - you can use alias if you' like to overwrite the default action or add a good looking name

### Gateway factory tag

The tag `payum.gateway_factory` could be used if you want to register your service as a gateway factory. The service must implement `Payum\Core\GatewayFactoryInterface`.

```yaml
# app/config/config.yml

services:
    acme.foo_gateway_factory:
        class: Payum\Core\GatewayFactory
        public: true
        tags:
            - { name: payum.gateway_factory, factory: foo }
```

Attributes:

* name - The name of the factory
* human\_name - The name shown to humans, in the backend for example.

***

### Supporting Payum

Payum is an MIT-licensed open source project with its ongoing development made possible entirely by the support of community and our customers. If you'd like to join them, please consider:

* [Become a sponsor](https://github.com/sponsors/Payum)