Absolute beginner with Node-RED: (once more) using HTTP request to get data from a REST endpoint

I got some questions about how to include data from an external source into the Node-RED flow.

This stream is about these topics:
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- Get external data
- Make the invocation variable
- Add components to UI

Overview
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06:26 - Using HTTP request to get data from a REST endpoint

Related information:
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#nodered, #hackathon, #rest, #httprequest, #ibmdeveloper, #http

[amslereye]

is it possible to show how to use http to get data from Mindsphere via HTTP and display the data on canvas js chart?