Context store 'localfilesystem' not saved to file system

Could you export your flow and attach it to a reply so I could take a look?

Or better yet, could you create a small flow that demonstrates the problem and export and share that one. If you can’t then send the current flow.

Also might I suggest you change your settings.js file to this

     	contextStorage: {
			default    : { module: "localfilesystem" },
 			memory     : { module: "memory" }
     	},

then you only need use

var sensorDevices = global.get("sensorDevices");
global.set("sensorDevices", sensorDevices);

unless you want to temporally save something in memory.

In order to make code readable and usable it is necessary to surround your code with three backticks (also known as a left quote or backquote ```)

``` 
   code goes here 
```

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See this post for more details - How to share code or flow json