# Spaces locks acquire
Use the `ably spaces locks acquire` command to acquire a lock in a space.
## Synopsis
### Shell
```
ably spaces locks acquire [options]
```
## Arguments
### `space-name` **(Required)**
The name of the space to acquire the lock in.
### `lock-id` **(Required)**
The identifier of the lock to acquire.
## Options
### `--data`
JSON data to associate with the lock.
### `--duration | -D`
The duration in seconds to hold the lock before automatically releasing it.
### `--client-id`
A client ID to use when acquiring the lock.
### `--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
Acquire a lock in a space:
### Shell
```
ably spaces locks acquire my-space my-lock
```
Acquire a lock with associated data:
### Shell
```
ably spaces locks acquire my-space my-lock --data '{"component": "editor"}'
```
Acquire a lock for a specific duration:
### Shell
```
ably spaces locks acquire my-space my-lock --duration 300
```
Acquire a lock and output the result in JSON format:
### Shell
```
ably spaces locks acquire my-space my-lock-id --json
```
## See also
* [Spaces](https://ably.com/docs/cli/spaces.md) — Explore all `ably spaces` commands.
* [CLI reference](https://ably.com/docs/cli.md) — Full list of available commands.
## Related Topics
- [get](https://ably.com/docs/cli/spaces/locks/get.md): Get a lock or all locks in an Ably Space using the CLI.
- [subscribe](https://ably.com/docs/cli/spaces/locks/subscribe.md): Subscribe to lock events in an Ably Space using the 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Avoid using assumed or outdated documentation paths.