Uploaded June 2018 | Updated September 2026, 3 weeks ago
steves-internet-guide.com/dns-zones-explained -Learn about DNS zones and zone files and how they relate to domains Understand master,slave,primary secondary DNS zones and zone transfer Complete beginner guide.
Related videos and tutorials
Dynamic DNS
youtu.be/xnae2J3DAlY
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The Hosts File Explained
youtu.be/a4S6FU5RdR0
Have a question Use the comments or if you want help then use
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steves-internet-guide.com/dns-zones-explained -Learn about DNS zones and zone files and how they relate to domains Understand master,slave,primary secondary DNS zones and zone transfer Complete beginner guide.
Related videos and tutorials
Dynamic DNS
youtu.be/xnae2J3DAlY
--------------
The Hosts File Explained
youtu.be/a4S6FU5RdR0
Have a question Use the comments or if you want help then use
steves-internet-guide.com/ask-steve
If you find these videos useful then you might want to consider buying me a coffee
paypal.me/StepenCope



![Store A Function in Global Context
In this video we will look at hoe to store an function in the global context so it can be used in the workspace by simply importing it like any other variable.
Site referenced in video
https://community.oh-lalabs.com/t/how-to-define-global-functions-and-libraries-in-nodered/2883
Code taken from flow
function log_data(message,node,flow) {
let d = new Date();
let now = d.getTime();
let logs = global.get(logs) || [];
let temp = {};
temp.timestamp = now;
temp.utctime = d.toLocaleString();
temp.flow = flow;
temp.node = node;
temp.message = message;
logs.push(temp);
global.set(logs, logs);
}
global.set(log_data,log_data);
//to use import it into the function node using
//let log_data=global.get(log_data);
//call it anywhere in the function using
//log_data(message, node, flow); Store A Function in Global Context](https://i.ytimg.com/vi/Kv0NIjKVV7k/mqdefault.jpg)






