How to read the camunda variables of "callActivity multi-instance child processes" in Parent process?

[firstpostcommenter]

Multi-instance and variables

I’m having an issue with multi-instance processes and passing variables between the ‘child’ and ‘parent’ instances. Consider the below example. What is the recommended way of returning the collection of random numbers from the parallel instances up to the overall process instance? I want the “print all random numbers” task to receive a Collection of the random numbers generated in the sub-process instances [subprocess]

Execution listener itseems.

Getting local variables of a sequential multi-instance

Hello my friend @cambarantama ! In camunda, when entering a multi-instance, some variables are created, and one of them is loopCounter which is of type “Integer”. [image] You can use this variable to concatenate with the name of a variable you want and thus have direct access to the variable referring to the multi-instance you want. For example, if your variable is “personName”, and your multi-instance will have 30 persons, you create the variable dynamically by searching for the value of t…