Can we change Javascript code or rule written in function by external code or rule? by rest-api or something else

You mean by having the code evaluated based on what comes in through the payload? Should be possible but is a huge security risk.

Also asked in this post yesterday. Import rules by rest api Please do not open multiple threads for the same question.

Use an http endpoint, listen for url parameters and use that value in the function node (if this is the same question as @ukmoose refers to). Example: [{"id":"36b2aa68.f0c22e","type":"template","z":"908a6b8f.bc81b","name":"page","field":"payload","fieldType":"msg","format":"handlebars","syntax":"m…

Isn't there an admin API that lets you replace flows or an I confused?

Yes -- that would be a "brute-force" approach... http post the new user parameters to a node-red flow that gets the currently running flow, uses some code or expression to modify the affected nodes' attributes/configuration values, and POST the whole flow as json back to the running server using the…

Could we please keep this discussion in one thread and close the other? There have already been some ideas here: Import rules by rest api

Hi @bakman2 I appreciate your effort but you are changing the payload. I want to change the rule not payload

Well to be honest, it is not simple to interpret what you are actually looking for as you didn't give us much to work on.

@bakman2 Hi, I have written one rule as sensorData=JSON.parse(msg.payload); var a=sensordata.dp1; var a=sensordata.dp2; var c=a+b; msg.payload=c; return msg; this is addition rule of 2 datapoints Now I want to change it to multiplication rule by external rest-api or anything possible. how…

As suggested; [image] bakman2: use node-red-dashboard, you can create a form that an end-user can manipulate.

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Change javascript code in function node

General

knolleary 26 September 2019 17:41 13

I'm locking this thread as the OP already had an active thread on this topic and we can't keep replying to the same thing in two places.

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Change javascript code in function node

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