SDK
SDK Javascript v5.x
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# 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

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// 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:

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