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How to call PI WebAPI in a PI Vision custom symbol

Question asked by JanneLappi on Aug 18, 2020



I am new to PI Vision Extensibility and WebAPI, but I have managed to create a simple custom symbol by following Osisoft's tech talk recording/presentation and I am also able to request the data I need from the WebAPI in a browser. However, the presentation was only about using PI data directly in a custom symbol. I would like to learn how to call the WebAPI to get data into a custom symbol as it is needed in my case. I have gone through many threads in PI Square and the PI Vision Extensibility Guide but I still haven't managed to make it.


So, I would appreciate if someone could provide a basic guide how to get data from the WebAPI into a custom symbol. Thank you.