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I think there is a component similar to what you are asking about in this demo https://github.com/infiniteautomation/mango-demo

The demo is for Mango v4 and is a bit outdated but might give you some ideas on how to get it done.

@till
give me suggestion a try. just add one.

@jared-wiltshire Yes, my bad. Oh i see, well thx for the help again.

@tungthanh500
yes, there are buttons on the top right hand corner of the page that you can use to create folders and files.

1.Administration-Dashboard designer
2.enable componenet list
3. in component list click on
Basic component-Link
link button appears on page
4. in property editor open Element specific list
5.open link-to-state list
6.find page to link and set

@till

Found it!

Generate History
When creating a new Meta Point sometimes it is helpful to backfill values for it. This can be done by the generate history link in the Data Points table.

The most recent saved value for all Context Points is found and that date is used for the Starting date for the simulation. (If any context point has no saved values the Generation will fail here)
The oldest saved value for the Meta Point is found and that is used as the Ending date for the simulation. (If no values exist the current time is used)
The simulation is run from Starting to Ending times and a values are created and saved according to the Meta Point settings.
This means that a history can only be generated for times before the earliest Meta Point value.
Calls to set() tell the database to save this value regardless of logging type and do not send it out through the data source

var pointValues = myContextPoint.getPointValuesBetween(fromTimestampInMilliseconds,toTimestampInMilliseconds); print(pointValues);

Fox

Hi Joel, I am able to confirm the function is working in v4.0.0 Beta.14. Many thanks for your reply.

Message sent

Can you show your whole method instead of the error? Cant really help otherwise. Also version of Mango would also be helpful to know as 4.x has some major changes in scripting env.

1)make a virtual datasource binary datapoint, add it to the script context points. Tick the checkbox that this point triggers the script.

we shall call the context point switch.
Then add your mqtt point to the context. We shall call it toggle. It does not need the checkbox to the right filled. Ensure the mqtt point is settable
This is the script.

if(switch.value===true) { toggle.set("on"); } if(switch.value===false) { toggle.set("off"); }

See how you go. I do not use the mqtt client myself, but generally all points can be set - some which send the value back out the data source. I am hoping this is the latter...

Hope this helps

Fox

Hi @CraigWeb ,

I was successful in following the suggestion and get access to JSON store in scripting data source. However, I cannot do the same in script area of Event Handler. I get the following error when trying to validate.

java.lang.RuntimeException: java.lang.ClassNotFoundException: com.serotonin.m2m2.Common.getBean

Any ideas?

BR,
Ricardo

Will try, thanks Mat.

Rodrigo

This feature is coming in Mango v4. There should be a beta version released with this feature you can test in the next 1-2 weeks.

@zenvakil said in How to pass a XID from an input container to a query:

<ma-point-query query="'eq(dataSourceXid,DS_f4bd539a-6d8d-4557-8248-1650c7a447e9)&sort(deviceName,name)&limit(200)'" points="eventPoints"></ma-point-query>

<ma-point-query query="'eq(dataSourceXid,'+myDataSource.xid+')&sort(deviceName,name)&limit(200)'" points="eventPoints"></ma-point-query>

That's how I do it

Fox