This page is intended to maintain documentation of useful function modules. This is needed because indexing and search of information will be easier here (When compared to searching in SE37). When this page starts growing, this can be structured in an area wise list.

Function Module to execute unauthorized transactions

TRANSACTION_CALL_VIA_RFC To execute some unauthorized transactions.

Function Modules for creating programs (Useful when you are generating programs)

RS_PROGRAM_CHECK_NAME To check program names if you are generating them.

RS_CORR_INSERT To insert the correction request in the repository.

REPS_OBJECT_ACTIVATE To activate repository objects, for example - to activate a newly generated program.

RS_DELETE_PROGRAM To delete the program. RS_ACCESS_PERMISSION To lock or unlock a program.

Function Modules related to Date and Time Calculations

CALCULATE_DATE Calculates the future date based on the input .

DATE_TO_DAY Returns the Day for the entered date.  DATE_COMPUTE_DAY Returns weekday for a date DATE_GET_WEEK Returns week for a date RP_CALC_DATE_IN_INTERVAL Add days / months to a date

DAY_ATTRIBUTES_GET Returns attributes for a range of dates specified

MONTHS_BETWEEN_TWO_DATES To get the number of months between the two dates.

END_OF_MONTH_DETERMINE_2 Determines the End of a Month.

HR_HK_DIFF_BT_2_DATES Find the difference between two dates in years, months and days.

FIMA_DAYS_AND_MONTHS_AND_YEARS Find the difference between two dates in years, months and days.

MONTH_NAMES_GET Get the names of the month WEEK_GET_FIRST_DAY Get the first day of the week HRGPBS_HESA_DATE_FORMAT Format the date in dd/mm/yyyy format

SD_CALC_DURATION_FROM_DATETIME Find the difference between two date/time and report the difference in hours

L_MC_TIME_DIFFERENCE Find the time difference between two date/time

HR_99S_INTERVAL_BETWEEN_DATES Difference between two dates in days, weeks, months

LAST_DAY_OF_MONTHS Returns the last day of the month DATE_CHECK_PLAUSIBILITY Check for the invalid date. DATE_2D_TO_4D_CONVERSION Year entry: 2-character to  4-character.

DAY_IN_WEEK Input date and will give the name of the day 1-monday,2-Tuesday....

SD_DATETIME_DIFFERENCE Give the difference in Days and Time for 2 dates

Holidays and Factory Calendar

HOLIDAY_GET Gives holidays for a country.It has two flags Freeday(for weekends)and Holiday(for public holidays).

FACTORYDATE_CONVERT_TO_DATE returns the calendar date for the factory date and the factory calendar passed

DATE_CONVERT_TO_FACTORYDATE returns the factory date for the date and factory calendar passed

Popup for dates

F4_DATE Displays a popup dialog to choose date POPUP_TO_SELECT_MONTH Display a pop-up to select a month

Function Modules related to (ALV)   SAP LIST VIEWER

REUSE_ALV_LIST_DISPLAY ABAP List viewer  (LIST DISPLAY) REUSE_ALV_GRID_DISPLAY ALV GridControl full screen

REUSE_ALV_FIELDCATALOG_MERGE Create field catalog from dictionary structure or internal table

Function Module related to Change Tracking

CHANGEDOCUMENT_READ_HEADERS Read and format change documents

CHANGEDOCUMENT_READ read change document headers and items to get the old and new values

Function Modules Related To Formatting

CLOI_PUT_SIGN_IN_FRONT Displays the negative sign in front of the numeral

RKD_WORD_WRAP Wrap text into several lines CONVERSION_EXIT_ALPHA_INPUT Pad zeros to the number at the left

CONVERSION_EXIT_ALPHA_OUTPUT Eliminate zeros to the number at the left READ_EXCHANGE_RATE Exchange Convertion SPELL_AMOUNT Transforms numeric values into text

Function Modules Related To Dialog Prompts

POPUP_TO_CONFIRM Displays a popup dialog with a user defined message for confirmation

POPUP_TO_GET_VALUE Displays a popup dialog requesting a value for a particular table-fieldname

SAPGUI_PROGRESS_INDICATOR Displays a progress bar with text to denote the percentage of completion and status

FILENAME_GET Displays a popup dialog to get the presentation server filename

F4_DATE Displays a popup dialog to choose date POPUP_TO_SELECT_MONTH Display a pop-up to select a month GET_PRINT_PARAMETERS Printer parameters

F4IF_INT_TABLE_VALUE_REQUEST F4 help also returning the value to be displayed in internal table

F4IF_FIELD_VALUE_REQUEST F4 help for fields that are only known at runtime

Function modules related to RFC communication

RFC_CONNECTION_CLOSE Close a RFC connection RFC_GET_SYSTEM_INFO Give system's information of a remote system

{+}Function modules related to reading/writing files on application server (named AS below) or Frontend +

FILE_READ_AND_CONVERT_SAP_DATA Uploads the file from either presentation or application server into an internal table

SUBST_GET_FILE_LIST To get the list of files from AS ALSM_EXCEL_TO_INTERNAL_TABLE Legacy Data Transfer w/ Excel WS_FILE_DELETE Delete files on AS server PFL_COPY_OS_FILE Copy AS files EPS_GET_DIRECTORY_LISTING Returns all files from an AS directory

FILENAME_GET Displays a popup dialog to get an AS filename (FILE transaction)

GUI_UPLOAD Upload a file from the presentation server

GUI_DOWNLOAD Downloads an Internal Table to the PC

Function Modules related to sending emails

SO_NEW_DOCUMENT_ATT_SEND_API1 Sends emails with texts and attachments SO_NEW_DOCUMENT_SEND_API1 Sends emails with texts.

Function Modules related to data maintenance

VIEW_MAINTENANCE_CALL To maintain data from a table or view (SM30)

Amount and Currency

CURRENCY_AMOUNT_SAP_TO_IDOC Convert currency to IDOC format

CLOI_PUT_SIGN_IN_FRONT

Move the negative sign from the left hand side of a number, to the right hand side of the number. Note that The result will be left justified (like all character fields), not right justifed as numbers normally are.

CONVERT_TO_FOREIGN_CURRENCY Convert local currency to foreign currency.

CONVERT_TO_LOCAL_CURRENCY Convert from foreign currency to local currency

CONVERT_AMOUNT_TO_CURRENCY Convert an amount from a currency to another (exchange rate taken from database tables)

CONVERT_CURRENCY_BY_RATE Convert an amount from a currency to another, according to the passed exchange rate

BAPI_CURRENCY_CONV_TO_EXTERNAL Conversion of Currency Amounts into External Data Format

BAPI_CURRENCY_CONV_TO_INTERNAL Conversion of Currency Amounts into Internal Data Format

CALCULATE_TAX_FROM_NET_AMOUNT  SPELL_AMOUNT to get Amount in words HR_IN_CHG_INR_WRDS Changes INR amount to words.

Function Modules related to FI, CO and SD Modules

FOR_ALL_SKC1A Account subtotal VC_I_GET_CONFIGURATION Sales Purchase details configuration SD_PRINT_TERMS_OF_PAYMENT Print terms for unique payment SD_PRINT_TERMS_OF_PAYMENT_SPLI Print terms for some parcels payment J_1B_NF_DOCUMENT_READ Read NF details J_1B_NF_VALUE_DETERMINATION Read values from NF returned combined

with J_1B_NF_DOCUMENT_READ using.

Function Module related to HR-ABAP

HR_MAINTAIN_MASTERDATA This function module is used to maintain master data for employees and applicants.

HR_READ_INFOTYPE This function module reads the data records of an HR infotype that exist for employees and applicants.

HR_INFOTYPE_OPERATION This function module is used to maintain employees and applicants data.

CU_READ_RGDIR This function module is used to read RGDIR of cluster CU.

PYXX_READ_PAYROLL_RESULT This function module reads complete payroll result for all country versions, from file PCL2 cluster.

HR_GET_PAYROLL_RESULTS This function module is used to fetch the payroll results for employees .

HR_RELATION_MAINTAIN This function module is to maintain the relation between employee and position.

BAPI_HRMASTER_SAVE_REPL_MULT This function module is to create position or organizaion unit ect.