HOW to GET EXPORT/IMPORT

Question

Export <field>  to parameter ID  <XXX>
IMPORT <field> from Parameter ID <XXX>
How to get XXX value it can be 3 character or any specific value like
GET PARAMETER ID <KUN>  field KUNNR.  where KUN is the paramete ID given at the definition of data element

Answer 1

TYPES:
  BEGIN OF tab_type,
    para TYPE string,
    dobj TYPE string,
  END OF tab_type.
DATA:
  id    TYPE c LENGTH 10 VALUE 'TEXTS',
  text1 TYPE string VALUE `IKE`,
  text2 TYPE string VALUE `TINA`,
  line  TYPE tab_type,
  itab  TYPE STANDARD TABLE OF tab_type.
line-para = 'P1'.
line-dobj = 'TEXT1'.
APPEND line TO itab.
line-para = 'P2'.
line-dobj = 'TEXT2'.
APPEND line TO itab.
<b>
EXPORT (itab)     TO MEMORY ID id.
IMPORT p1 = text2
       p2 = text1 FROM MEMORY ID id.</b>