# HKEYS












Returns all field names in the hash stored at `key`.

## Examples


HSET myhash field1 "Hello"
HSET myhash field2 "World"
HKEYS myhash


## Return information

{{< multitabs id="hkeys-return-info" 
    tab1="RESP2" 
    tab2="RESP3" >}}

[Array reply](../../develop/reference/protocol-spec#arrays): a list of fields in the hash, or an empty list when the key does not exist

-tab-sep-

[Array reply](../../develop/reference/protocol-spec#arrays): a list of fields in the hash, or an empty list when the key does not exist.