content/commands/pubsub-shardchannels.md
Lists the currently active shard channels.
An active shard channel is a Pub/Sub shard channel with one or more subscribers.
If no pattern is specified, all the channels are listed, otherwise if pattern is specified only channels matching the specified glob-style pattern are listed.
The information returned about the active shard channels are at the shard level and not at the cluster level.
> PUBSUB SHARDCHANNELS
1) "orders"
> PUBSUB SHARDCHANNELS o*
1) "orders"
| Redis Software | Redis Cloud | <span style="min-width: 9em; display: table-cell">Notes</span> | |:----------------------|:-----------------|:------| | <span title="Supported">✅ Standard</span> <span title="Supported"><nobr>✅ Active-Active</nobr></span> | <span title="Supported">✅ Standard</span> <span title="Supported"><nobr>✅ Active-Active</nobr></span> | |
{{< multitabs id="pubsub-shardchannels-return-info" tab1="RESP2" tab2="RESP3" >}}
Array reply: a list of active channels, optionally matching the specified pattern.
-tab-sep-
Array reply: a list of active channels, optionally matching the specified pattern.
{{< /multitabs >}}