# Push channels save Use the `ably push channels save` command to subscribe a device or client to push notifications on a channel. ## Synopsis ### Shell ``` ably push channels save [options] ``` ## Arguments ### `channel-name` **(Required)** The channel to subscribe to. ## Options ### `--device-id` The device ID to subscribe. Exclusive with `--client-id`. ### `--client-id` The client ID to subscribe. Exclusive with `--device-id`. ### `--json` Output results as compact JSON. Mutually exclusive with `--pretty-json`. ### `--pretty-json` Output results in formatted JSON. Mutually exclusive with `--json`. ### `--verbose | -v` Enable verbose logging. Can be combined with `--json` or `--pretty-json`. ## Examples Subscribe a device to push notifications on a channel: ### Shell ``` ably push channels save "my-channel" --device-id device-123 ``` Subscribe a client to push notifications on a channel: ### Shell ``` ably push channels save "my-channel" --client-id client-1 ``` Save a push channel subscription and output in JSON format: ### Shell ``` ably push channels save "my-channel" --device-id device-123 --json ``` ## See also * [Push](https://ably.com/docs/cli/push.md) — Explore all `ably push` commands. * [CLI reference](https://ably.com/docs/cli.md) — Full list of available commands. ## Related Topics - [list](https://ably.com/docs/cli/push/channels/list.md): List push channel subscriptions using the Ably CLI. - [list-channels](https://ably.com/docs/cli/push/channels/list-channels.md): List channels with push subscriptions using the Ably CLI. - [remove](https://ably.com/docs/cli/push/channels/remove.md): Remove a push channel subscription using the Ably CLI. - [remove-where](https://ably.com/docs/cli/push/channels/remove-where.md): Remove push channel subscriptions matching filter criteria using the Ably CLI. ## Documentation Index To discover additional Ably documentation: 1. Fetch [llms.txt](https://ably.com/llms.txt) for the canonical list of available pages. 2. Identify relevant URLs from that index. 3. Fetch target pages as needed. Avoid using assumed or outdated documentation paths.