---
acl_categories:
- '@read'
- '@hash'
- '@fast'
arguments:
- display_text: key
  key_spec_index: 0
  name: key
  type: key
- display_text: field
  name: field
  type: string
arity: 3
categories:
- docs
- develop
- stack
- oss
- rs
- rc
- oss
- kubernetes
- clients
command_flags:
- readonly
- fast
complexity: O(1)
description: Determines whether a field exists in a hash.
group: hash
hidden: false
key_specs:
- RO: true
  begin_search:
    spec:
      index: 1
    type: index
  find_keys:
    spec:
      keystep: 1
      lastkey: 0
      limit: 0
    type: range
linkTitle: HEXISTS
railroad_diagram: /images/railroad/hexists.svg
since: 2.0.0
summary: Determines whether a field exists in a hash.
syntax_fmt: HEXISTS key field
title: HEXISTS
---
Returns if `field` is an existing field in the hash stored at `key`.

## Examples

{{% redis-cli %}}
HSET myhash field1 "foo"
HEXISTS myhash field1
HEXISTS myhash field2
{{% /redis-cli %}}

## Redis Software and Redis Cloud compatibility

| Redis<br />Software | Redis<br />Cloud | <span style="min-width: 9em; display: table-cell">Notes</span> |
|:----------------------|:-----------------|:------|
| <span title="Supported">&#x2705; Standard</span><br /><span title="Supported"><nobr>&#x2705; Active-Active</nobr></span> | <span title="Supported">&#x2705; Standard</span><br /><span title="Supported"><nobr>&#x2705; Active-Active</nobr></span> |  |

## Return information

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

One of the following:
* [Integer reply](../../develop/reference/protocol-spec#integers): `0` if the hash does not contain the field, or the key does not exist.
* [Integer reply](../../develop/reference/protocol-spec#integers): `1` if the hash contains the field.

-tab-sep-

One of the following:
* [Integer reply](../../develop/reference/protocol-spec#integers): `0` if the hash does not contain the field, or the key does not exist.
* [Integer reply](../../develop/reference/protocol-spec#integers): `1` if the hash contains the field.

{{< /multitabs >}}