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PI Web API Reference

Attribute GetValue

Attribute GetValue

Get the attribute's value. This call is intended for use with attributes that have no data reference only. For attributes with a data reference, consult the documentation for Streams.

Request

GET attributes/{webId}/value

URL Parameters

  • webId

    The ID of the attribute. See WebID for more information.

  • selectedFields

    List of fields to be returned in the response, separated by semicolons (;). If this parameter is not specified, all available fields will be returned. See Selected Fields for more information.

Status Codes

200: The attribute's value.

Sample Response Body

{
  "Timestamp": "2014-07-22T14:00:00Z",
  "UnitsAbbreviation": "m",
  "Good": true,
  "Questionable": false,
  "Substituted": false,
  "Annotated": false,
  "Value": 12.3
}
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