sismember #

Checks if member is a member of the set of unique values stored at key.

sismember(key, member, [options], callback) #

Arguments	Type	Description
`key`	string	Key identifier
`member`	string	Value tested against the set of unique values
`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 a boolean specifying if member is a member of the set or not.

Usage #

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

Callback response:

true

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