The video explains about how to have multiple inputs inside a function node as well as prioritising them with respect to the user need.
Example of an agriculture system is used for explaining the working of the nodes.
The code is valid for Raspberry Pi as well.
On this page of the site you can watch the video online Node Red | Multiple Input/Data inside a Function Node | With Example with a duration of hours minute second in good quality, which was uploaded by the user The Defeated Engineer 22 May 2017, share the link with friends and acquaintances, this video has already been watched 36,594 times on youtube and it was liked by 152 viewers. Enjoy your viewing!