How to receive result from BGRFC enabled function module ?

[KumarVishal]

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DATA: my_destination TYPE REF TO if_bgrfc_destination_outbound,
my_unit TYPE REF TO if_qrfc_unit_outbound,
my_unit_2 TYPE REF TO if_qrfc_unit_outbound,
my_unit_3 TYPE REF TO if_qrfc_unit_outbound,
dest_name TYPE bgrfc_dest_name_outbound,
queue_name TYPE qrfc_queue_name,
queue_names TYPE qrfc_queue_name_tab.


TRY.
dest_name = 'VK_OUTBOUND_DEST'.

my_destination = cl_bgrfc_destination_outbound=>create( dest_name ).

CATCH cx_bgrfc_invalid_destination.

MESSAGE e102(bc).
ENDTRY.

my_unit = my_destination->create_qrfc_unit( ).

TRY.
* Processing Two Function Modules in ONE single LUW.
* There are multple queues for the LUW.

* Both the FMs will be executed sequentially in the same LUW(multiple queues)
CALL FUNCTION 'ZTEST_BGRFC' IN BACKGROUND UNIT my_unit.

my_unit->add_queue_name_outbound( 'VK_Q1' ).

* Inserting Multiple Queues to achive Parallel Processing.
queue_name = 'VK_Q2'.
INSERT queue_name INTO TABLE queue_names.

So I am calling the Function Module in background which is BGRFC enables. Can someone tell me how to receive the results back from this function module.