Unknown SDK


Checks if a field exists in a hash.

[Redis documentation]

hexists(key, field, [options], callback)

Arguments Type Description
key string Key identifier
field string Field name
options JSON Object Optional parameters
callback function Callback


Option Type Description Default
queuable boolean Make this request queuable or not true

Callback Response

A boolean value specifying if the field exists or not.


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// Using callbacks (NodeJS or Web Browser)
kuzzle.memoryStorage.hexists('key', 'field1', function (err, exists) {
  // callback called once the action has completed
// Using promises (NodeJS only)
kuzzle.memoryStorage.hexistsPromise('key', 'field1')
  .then(exists => {
    // resolved once the action has completed

Callback response:

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