How to add an on-change event in camunda 8 form

Camunda 8 Topics Discussion & Questions
1

Hi ,

How can we add an on-change event on a field in camunda 8 form. I need to sum up few dynamic list ‘amount’ fields and show the value in ‘total value’ field . Please help , how can we achieve that.

Thanks

2

Thanks for the question @abhi05675

This can be done a few different ways - one of which is to add an express to the form that makes the calculation as you change variables. Then add that variable to a text view so see it change.
sumup

I’ve built a quick example you can use:
Sumup.form (1.7 KB)

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3

Since you specifically asked about how to do it with a dynamic list. I build that into the example as well
sumup2
Sumup(1).form (2.8 KB)

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4

Thanks @Niall for your prompt response.
Can you please help me in which property can I mention compute on expression.
Also I am using dynamic list to show more than one key with its value . Need to save those values and show as read only in next user task . Please help in acheiving this as well.

Regards
Abhishek

5

The example above already creates a variable containing the total, you can see it in the Form Output text box.

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