hkeys #

Returns all field names contained in a hash.

hkeys(key, [options], callback) #

Arguments	Type	Description
`key`	string	Key identifier
`options`	JSON Object	Optional parameters
`callback`	function	Callback

Options #

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

Callback Response #

Returns an array of field names.

Usage #

// Using callbacks (NodeJS or Web Browser)
kuzzle.memoryStorage.hkeys('key', function (err, fields) {
  // callback called once the action has completed
});
// Using promises (NodeJS only)
kuzzle.memoryStorage.hkeysPromise('key')
  .then(fields => {
    // resolved once the action has completed
  });

Callback response:

["field1", "field2", "..."]

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