SDK
SDK Javascript v5.x
1

llen #

Counts the number of items in a list.

[Redis documentation]


llen(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 integer containing the number of items of a list.

Usage #

Copied to clipboard!
// Using callbacks (NodeJS or Web Browser)
kuzzle.memoryStorage.llen('key', function (err, count) {
  // callback called once the action has completed
});
// Using promises (NodeJS only)
kuzzle.memoryStorage.llenPromise('key')
  .then(count => {
    // resolved once the action has completed
  });

Callback response:

Copied to clipboard!
3