Run local procedure asynchronously (on Client Networking)

Can I invoke internal procedute asynchronously (without AppServer)?
for example I run procedure "test1.p":

test1.p:
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def var procHand as handle.

run test2.p persistent set procHand.

for each Customer no-lock:
    if Customer.Balance > 1100 and Customer.Balance < 1200 then
    do:
        run doSomething in procHand asynchronous (input Customer.CustNum).
        display Customer.CustNum.
        display Customer.Name.
        display Customer.Phone.
    end.
    ...
end.
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test2.p:
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def var xTxt as char no-undo init ''.

xTxt = 'QWERTY'.

PROCEDURE doSomething:
    def input param pCustNum as integer.

    output to test.txt.
    find first Customer where Customer.CustNum = pCustNum no-lock no-wait no-error.
    if avail Customer then
    do:
        export CustNum Name Country State City Phone.
    end.
    output close.
    message 'Finish of asynchronous procedure' view-as alert-box info buttons OK.
END PROCEDURE.

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This run properly, but unfortunatelly - synchronously.
Order of execution is:
1. run doSomething in procHand asynchronous (input Customer.CustNum).
2. All commands form procedure "doSomething"
3. display Customer.CustNum.
4. display Customer.Name.
5. display Customer.Phone.

I need to run this asynchronously so that the order of execution is:
1. run doSomething in procHand asynchronous (input Customer.CustNum).
2. display Customer.CustNum.
3. display Customer.Name.
4. display Customer.Phone.
and procedure "doSomething" was performed as a separate thread.

Is it possible?