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Open source

Client.subscribe()

Subscribe to topics synchronously.

Signature

JavaScript 
client.subscribe(topic, options)

Parameters

ParameterTypeDescription
topicstring | string[]Topic or array of topics to subscribe to
optionsobjectOptional subscription configuration
options.qosnumberQuality of Service level (0, 1, or 2). Default: 0
options.tagsobjectCustom tags for metrics (key-value pairs)