Hi guys, I working on my device and I have doubts how to working with context global variable object properties. You can see bellow my global context variable: My global variable object and properties [image] I was use this function code to get object property storage on global variable, but I do…

@RonMa to get a global context value you have to use the global.get() function: global.get("homee.nodes[3].attributes[0].current_value")

Hi bakman2 thanks a lot. I got success after you advise me how to do it! I set it up like this: global.set(unique, {"ext_addr":unique, "properties":properties}, "memoryOnly"); I used: var ext_addr = global.get("00137a0000009a99"); msg.payload = ext_addr.properties.nwk_addr; return msg; Th…

Hi ukmoose, I read this page, but I could not develop well after that. Thanks, Alex

Hi Guys, I working very well using a global variable in the memory, but i found problem in those variables after rpi3 reboot, the object properties disappeared (undefined) as can see below: [image] I storage it in the memory using this code: var unique = String(msg.payload.name); var Epcoun…

show us how you are setting the variables rather than getting them. You will see that some are listed as “memory only” which is why they disappear on restart (as described in the docs)

Hi unkmosse, thanks! do you can share with me a doc or article to explain how to get global variable in the file, similar i did in the memory? Best Regards, Alex

HI zenofmud, thanks a lote. I already read this tutorial. But, it served for me to define how to set global variables in the memory or file. I tried to get a global variable storage in file using: var nwk_add = global.get('nwk_addr1',"file") but is not working. I have success to get the object pr…

I don't see where in the link posted it says to use that syntax for global.get()

What did you set in settings.js to define it would be saved in storage?

Guys! So sorry for my mistake. I was defined to get global variable in the file in the wrong node position. Now is working very well.. var device = global.get("00137a000000a3bc","file"); Best Regards, Alex

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How to get global variable properties

General

zenofmud 25 March 2019 15:51 9

Maybe reading this thread will help you A guide to understanding 'Persistent Context'

1 Like

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How to get global variable properties

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