Displaying a ALV Grid in a pop up window.

Just in case you have ever wanted to place a ALV Grid inside a popup window.
It's really simple.
First add to your data section.

Data:         
ls_fieldcat TYPE slis_fieldcat_alv,
lt_fieldcat TYPE slis_t_fieldcat_alv.

Now Populate a new catalog entry

  CLEAR  ls_fieldcat.
  ls_fieldcat-fieldname    = 'CBOX'.
  ls_fieldcat-tabname      = 'GLOBAL_BANK'.
  ls_fieldcat-seltext_l    = 'Select'.
  APPEND ls_fieldcat TO lt_fieldcat.
  CLEAR  ls_fieldcat.

  ls_fieldcat-fieldname    = 'BANKN'.
  ls_fieldcat-tabname      = 'GLOBAL_BANK'.
  ls_fieldcat-seltext_l    = 'Account Number'.
  APPEND ls_fieldcat TO lt_fieldcat.
  CLEAR  ls_fieldcat.

Finally Add the call for the function module.

  CALL FUNCTION 'REUSE_ALV_POPUP_TO_SELECT'
    EXPORTING
      i_title              = 'Select Bank Account'
      i_selection          = 'X'
      i_zebra              = 'X'
      it_fieldcat          = lt_fieldcat[]
      i_tabname            = 'GLOBAL_BANK'
      i_checkbox_fieldname = 'CBOX'
    TABLES
      t_outtab             = global_bank.

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