Using multiple variables in Dataslice

Hello Experts,
It appears that I can create a dataslice using variables. Here is my challenge. I have created a function to activate and de-activate the locks using a function module executed via a planning folder.
I have two user-input variables
plant and version.
How can I lock individual plants per version without creating a separate dataslice for all combinations. There are many plants so I want to use the variables to decide which slice of data in the cube needs to be locked.
or
Can I create a dataslice via a function module like UPC_DATASLICE_INIT and
UPC_DATASLICE_SAVE.
Any suggestions?
Thanks in advance
DW

Method IF_RSPLS_DS_METHODS~IS_PROTECTED
DATA:
    dref TYPE REF TO data,
    l_locked(1) TYPE c,
    l_msg TYPE edimessage,
    lv_dummy       TYPE c.
FIELD-SYMBOLS:
    <lv_cube>          TYPE rsinfoprov,
    <lv_year>         TYPE /bic/oiyn_year,
    <ls_th_data>       TYPE ANY,
    <ls_msg>           TYPE bapiret2.
*** create required data objects ************************************
CREATE DATA dref LIKE LINE OF c_th_data.
ASSIGN dref->* TO <ls_th_data>.
*** assign values ***************************************************
ASSIGN COMPONENT:
    '0INFOPROV' OF STRUCTURE <ls_th_data> TO <lv_cube>,
    'YN_YEAR' OF STRUCTURE <ls_th_data> TO <lv_year>.
LOOP AT c_th_data INTO <ls_th_data>.
*   Do not warn for entries from other cubes
    CHECK <lv_cube> EQ 'MY_PLANNING_CUBE'.
    CLEAR : l_locked, l_msg.
    IF <lv_year> EQ '2006'.
       MOVE 'X' TO l_locked.
       EXIT. " from LOOP
    ENDIF.
ENDLOOP.
MOVE l_locked TO e_noinput.
ENDMETHOD.

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