ABAP_DOCU_START is a standard SAP function module that performs Initial Screen for ABAP Documentation, Search, and Display functionality. This is available within standard R/3 SAP systems depending on version and release level.
Below are the pattern details for this FM showing its interface including any import, export and tables parameters. There is also a list of Exceptions and for your convenience any standard documentation available. All this information and more can also be viewed if you enter the function module name ABAP_DOCU_START into the relevant SAP transaction such as SE37 or SE80.
CALL FUNCTION 'ABAP_DOCU_START' "Initial Screen for ABAP Documentation, Search, and Display * EXPORTING * word = '' " csequence ABAP Term (Generic if Necessary) * first_word = '' " csequence First Word of Statement * tokens = " abapdocu_tokens All Tokens of Statement * mode = ' ' " csequence 'ABAP' odr 'DYNP' * no_dialog = ' ' " abap_bool No Display of Selection List and Return of Table if 'X' * index_flag = 'X' " abap_bool Search in Index * glossary_flag = 'X' " abap_bool Search in Glossary * subjects_flag = 'X' " abap_bool Search in Keywords * examples_flag = 'X' " abap_bool Searching in Examples * full_text_flag = " abap_bool Full Text Search * langu = SY-LANGU " sy-langu Language for Full Text Search * debug_flag = ' ' " abap_bool Special Display Mode for Calls from ABAP Debugger * no_similars = ' ' " abap_bool No Similarity Search IMPORTING docu_container = " cl_gui_control Reference to Docomentation or Hit List Container structured_search_results = " cl_abap_docu=>search_results Structured Search Result search_results = " cl_abap_docu=>search_results Search Result if NO_DIALOG = 'X' . " ABAP_DOCU_START