With change node, it is possible to save messages that are coming out of the nodes and reuse them.
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Use of variable
The context object - stores data inside a single node,
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Now the output of the change node will be the value which is stored as a variable (var_01).
Every incoming message will be changed into a value of a variable.
Checking the value of variables
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The value of the flow is shown in the “context” tab.
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| Info |
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Any variable name can be set, the important thing is that the flow creator is aware of what it is used for. Variable name has to be distinguish for a specific usage. |
Use cases
HCL
In logic when the presence detection has to trigger a value from the Intensity Scheduler (ES_CCT node).
https://glamox.atlassian.net/l/cp/djTKua8c
Daylight harvesting blocker
Turning ON daylight harvesting at a scheduled time.
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