decrby #

Decrements the number stored at key by a provided integer value. If the key does not exist, it is set to 0 before performing the operation.

[Redis documentation]

Arguments #

decrby(key, decrement, [options]);

string

integer

object

options #

The options arguments can contain the following option properties:

boolean (true)

Resolve #

Resolves to the updated key value.

Usage #

try {
  await kuzzle.ms.set('val', 12);
  // Prints: 42
  console.log(await kuzzle.ms.decrby('val', -30));
} catch (error) {
  console.error(error.message);
}