OIK_DOMAIN_TEXT_GET is a standard SAP function module available within R/3 SAP systems depending on your version and release level. Below are the pattern details for this FM showing its interface including any import, export parameters etc and for your convenience any standard documentation available. All this information and more can be viewed if you enter the function module name OIK_DOMAIN_TEXT_GET into the relevant SAP transaction such as SE37 or SE80.
CALL FUNCTION 'OIK_DOMAIN_TEXT_GET' "TAS/TPI: Get domain text EXPORTING i_domain_name = " dd07l-domname Domain * i_language = SY-LANGU " sy-langu Language for short text * i_domvalue_l = SPACE " dd07v-domvalue_l Lower fixed value of domain IMPORTING e_ddtext = " dd07v-ddtext Descriptive short text for lower fixed value EXCEPTIONS NO_DATA_FOUND = 1 " No data found . " OIK_DOMAIN_TEXT_GET