Is there is any way to retrieve updated data for multiple elements using channels and stream sets? channels streamsets
Hello shajahan shaik,
Let's take a look at the PI Web API Help for Channels. There are 3 examples listed.
The second one potentially returns multiple streams (attributes for an EventFrame, Element or Attribute) i.e. if the WebID refers a base element or parent. I believe the documentation of GetValues method of the StreamSets controller should be sufficient.
The third example allows you to refer the streams (data items) you are interested in by their individual WebID's and should be similar to GetRecordedAdHoc. I believe this is what you are looking for. The query would look like this:
Retrieving data ...