Channels occupancy subscribe

Use the ably channels occupancy subscribe command to subscribe to occupancy updates on an Ably Pub/Sub channel.

Synopsis

ably channels occupancy subscribe <channel-name> [options]

Arguments

channel-name

Required

The name of the channel to subscribe to occupancy updates on.

Options

--duration | -D

The duration in seconds to subscribe for before automatically unsubscribing.

--client-id

A client ID to use when subscribing.

--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 to occupancy updates:

ably channels occupancy subscribe my-channel

Subscribe for a specific duration:

ably channels occupancy subscribe my-channel --duration 60

Subscribe to occupancy using an API key environment variable:

ABLY_API_KEY="YOUR_API_KEY" ably channels occupancy subscribe my-channel

Subscribe to occupancy updates in JSON format:

ably channels occupancy subscribe my-channel --json

Subscribe to occupancy updates in formatted JSON:

ably channels occupancy subscribe my-channel --pretty-json

See also

• Channels — Explore all ably channels commands.
• CLI reference — Full list of available commands.