SAP CNFW_READ_MAIN Function Module for Main Read Function for Forecast Workbench

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CNFW_READ_MAIN is a standard cnfw read main SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Main Read Function for Forecast Workbench processing and below is the pattern details for this FM, showing its interface including any import and export parameters, exceptions etc. there is also a full "cut and paste" ABAP pattern code example, along with implementation ABAP coding, documentation and contribution comments specific to this or related objects.

See here to view full function module documentation and code listing for cnfw read main FM, simply by entering the name CNFW_READ_MAIN into the relevant SAP transaction such as SE37 or SE38.

Function Group: CNFW
Program Name: SAPLCNFW
Main Program: SAPLCNFW
Appliation area:
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function CNFW_READ_MAIN pattern details

In-order to call this FM within your sap programs, simply using the below ABAP pattern details to trigger the function call...or see the full ABAP code listing at the end of this article. You can simply cut and paste this code into your ABAP progrom as it is, including variable declarations.

CALL FUNCTION 'CNFW_READ_MAIN'"Main Read Function for Forecast Workbench
  EXPORTING
   I_AUTOMATIC_VERSION =  "Version
   I_CURRENT_VERSION =  "Version
   I_PLAN_NW_VERSION =  "Version
   I_PLAN_WBS_VERSION =  "Version
   I_PAST_VERSION =  "Version
   I_KOKRS =  "Controlling Area
   I_YEAR =  "Fiscal Year
*  I_PERIOD =  "Period block

TABLES
*  T_S_OBJNR =  "Object Numbers for Plan->Plan, Actual->Plan
*  T_FORECAST_DIS =  "Display Forecast Work Bench
*  T_SELECTIONS =  "ABAP: General Structure for PARAMETERS and SELECT-OPTIONS
*  T_ELMPS =  "Supplemental data for hierarchy nodes (LDB PSJ: Proj. Mgmt)
*  T_PRPS =  "WBS (Work Breakdown Structure) Element Master Data
*  T_AFVGD =  "Order: Dialog table for Table AFVG (order operation)
*  T_PROJ =  "Project definition
*  T_RETURN =  "Return Parameter

.

IMPORTING Parameters details for CNFW_READ_MAIN

I_AUTOMATIC_VERSION - Version

Data type: TKA09-VERSN
Optional: No
Call by Reference: Yes

I_CURRENT_VERSION - Version

Data type: TKA09-VERSN
Optional: No
Call by Reference: Yes

I_PLAN_NW_VERSION - Version

Data type: TKA09-VERSN
Optional: No
Call by Reference: Yes

I_PLAN_WBS_VERSION - Version

Data type: TKA09-VERSN
Optional: No
Call by Reference: Yes

I_PAST_VERSION - Version

Data type: TKA09-VERSN
Optional: No
Call by Reference: Yes

I_KOKRS - Controlling Area

Data type: TKA01-KOKRS
Optional: No
Call by Reference: Yes

I_YEAR - Fiscal Year

Data type: COSS-GJAHR
Optional: No
Call by Reference: Yes

I_PERIOD - Period block

Data type: COSS-PERBL
Optional: Yes
Call by Reference: Yes

TABLES Parameters details for CNFW_READ_MAIN

T_S_OBJNR - Object Numbers for Plan->Plan, Actual->Plan

Data type: KPU3_OBJNR
Optional: Yes
Call by Reference: Yes

T_FORECAST_DIS - Display Forecast Work Bench

Data type: CNFW_DISPLAY_ST
Optional: Yes
Call by Reference: Yes

T_SELECTIONS - ABAP: General Structure for PARAMETERS and SELECT-OPTIONS

Data type: RSPARAMS
Optional: Yes
Call by Reference: Yes

T_ELMPS - Supplemental data for hierarchy nodes (LDB PSJ: Proj. Mgmt)

Data type: ELM_PS
Optional: Yes
Call by Reference: Yes

T_PRPS - WBS (Work Breakdown Structure) Element Master Data

Data type: PRPS
Optional: Yes
Call by Reference: Yes

T_AFVGD - Order: Dialog table for Table AFVG (order operation)

Data type: AFVGD
Optional: Yes
Call by Reference: Yes

T_PROJ - Project definition

Data type: PROJ
Optional: Yes
Call by Reference: Yes

T_RETURN - Return Parameter

Data type: BAPIRET2
Optional: Yes
Call by Reference: Yes

Copy and paste ABAP code example for CNFW_READ_MAIN Function Module

The ABAP code below is a full code listing to execute function module POPUP_TO_CONFIRM including all data declarations. The code uses the original data declarations rather than the latest in-line data DECLARATION SYNTAX but I have included an ABAP code snippet at the end to show how declarations would look using the newer method of declaring data variables on the fly. This will allow you to compare and fully understand the new inline method. Please note some of the newer syntax such as the @DATA is not available until a later 4.70 service pack (SP8), which i why i have stuck to the origianl for this example.

ABAP code using 7.40 inline data declarations to call FM CNFW_READ_MAIN

The below ABAP code uses the newer in-line data declarations. This allows you to see the coding differences/benefits of the later inline syntax. Please note some of the newer syntax below, such as the @DATA is not available until 4.70 EHP 8.

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