collect groups in subflow after each approval and use in main flow

[venkata2023]

For each selection in list collector above subflow is called from main flow, after approval , i want to store group name of respective choice and append as array and use this array in main flow after all iteration/approvals, how to to store groups and how to use in main flow. 

[Mark Manders]

Have the subflow create output that is set in a flow variable in the main flow.

[venkata2023]

after some reseach, i got details that group names can't be accumulated in subflow as subflow runs afresh for each iteration. 

[Ankur Bawiskar]

@venkata2023 

you are calling subflow from main flow and in main flow you will already have list collector variable

so you can grab the group names there only

why you want subflow to concatenate and return?

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[venkata2023]

i am calling subflow for each choice selection related approver, approval, after approval, there are four choices selected means, routing to four approvers at a time not sequentially, so after each approval capture and collect approved choice related group in subflow. only after all approvals are completed, add user to the approved groups