SAP RSSH_LEVEL_READ Function Module for Read level table for a hierarchy

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RSSH_LEVEL_READ is a standard rssh level read SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Read level table for a hierarchy 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 rssh level read FM, simply by entering the name RSSH_LEVEL_READ into the relevant SAP transaction such as SE37 or SE38.

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

Function RSSH_LEVEL_READ 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 'RSSH_LEVEL_READ'"Read level table for a hierarchy
  EXPORTING
*  I_HIEID = ' ' "Hierarchy ID, select all if initial (not if I_WITH_EXACT_LEVELNR = X)
*  I_OBJVERS = RS_C_OBJVERS-ACTIVE "Version, select all if initial (not if I_WITH_EXACT_LEVELNR = X)
*  I_LANGU = ' ' "Language, select all if initial (not if I_WITH_EXACT_LEVELNR = X)
*  I_MAXLEVEL =  "Max. Level of Hierarchy
*  I_WITH_EXACT_LEVELNR = ' ' "Level table adjusted to existing level

 IMPORTING
   E_T_LEVEL =  "Level Text Table

EXCEPTIONS
   HIERARCHY_NOT_FOUND = 1    LEVEL_NOT_FOUND = 2    CANCELED = 3 

.

IMPORTING Parameters details for RSSH_LEVEL_READ

I_HIEID - Hierarchy ID, select all if initial (not if I_WITH_EXACT_LEVELNR = X)

Data type: RSHIEID
Default: ' '
Optional: No
Call by Reference: Yes

I_OBJVERS - Version, select all if initial (not if I_WITH_EXACT_LEVELNR = X)

Data type: RSOBJVERS
Default: RS_C_OBJVERS-ACTIVE
Optional: No
Call by Reference: Yes

I_LANGU - Language, select all if initial (not if I_WITH_EXACT_LEVELNR = X)

Data type: LANGU
Default: ' '
Optional: No
Call by Reference: Yes

I_MAXLEVEL - Max. Level of Hierarchy

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

I_WITH_EXACT_LEVELNR - Level table adjusted to existing level

Data type: RS_BOOL
Default: ' '
Optional: Yes
Call by Reference: Yes

EXPORTING Parameters details for RSSH_LEVEL_READ

E_T_LEVEL - Level Text Table

Data type: RSHI_T_LEVEL
Optional: No
Call by Reference: No ( called with pass by value option)

EXCEPTIONS details

HIERARCHY_NOT_FOUND - Hierarchy does not exist

Data type:
Optional: No
Call by Reference: Yes

LEVEL_NOT_FOUND - No entries in the text table for this hierarchy

Data type:
Optional: No
Call by Reference: Yes

CANCELED - If I_WITH_EXACT_LEVELNR = X, all import parameters have to be provided

Data type:
Optional: No
Call by Reference: Yes

Copy and paste ABAP code example for RSSH_LEVEL_READ 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 RSSH_LEVEL_READ

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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