exists

  • Updated on Feb 2, 2021
  • Published on Feb 2, 2021
  • 1 minute(s) read
  • Ben Callister
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Description

Returns whether or not a measurement is available.

Input Parameters

Name Type Required Description
name Text Yes Target measurement name
[deviceId] Text No Source IoT device identifier

Returns

Type: Boolean

Returns true if measurement value exists. Otherwise, false is returned.

Examples

// check if bpm measurement value is available
if (iot.exists("bpm") === true)
    debug.log("Measurement exists.");

Remarks

Use this function when you need to test if a measurement value is available.