ABAP_show_dialog

REPORT ZPATMAX_show_dialog.
parameters:name(10) type c,
id(10) type n,
age(2) type n.

if name is not INITIAL and age is not INITIAL and id is not INITIAL.
  write : / 'that isyour name',name,/ 'that your id : ', id no-zero, / 'that age : ', age.

elseif name is INITIAL.
  write : / 'not enter'.
endif.