SAP FI_POSTING_KEY_CHECK Function Module for
FI_POSTING_KEY_CHECK is a standard fi posting key check SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used to perform a specific ABAP function and below is the pattern details, 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 fi posting key check FM, simply by entering the name FI_POSTING_KEY_CHECK into the relevant SAP transaction such as SE37 or SE38.
Function Group: FACS
Program Name: SAPLFACS
Main Program: SAPLFACS
Appliation area: F
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function FI_POSTING_KEY_CHECK 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 'FI_POSTING_KEY_CHECK'".
EXPORTING
I_BSCHL = "Posting keys
* I_LANGU = SY-LANGU "Language
* I_UMSKZ = ' ' "Special G/L indicator (only for texts)
* X_BSCHL_ONLY = ' ' "Check posting key only
EXCEPTIONS
POSTING_KEY = 1 POSTING_KEY_TEXT = 2 SPECIAL_GL_IND_PROPERTIES = 3
IMPORTING Parameters details for FI_POSTING_KEY_CHECK
I_BSCHL - Posting keys
Data type: TBSL-BSCHLOptional: No
Call by Reference: No ( called with pass by value option)
I_LANGU - Language
Data type: SY-LANGUDefault: SY-LANGU
Optional: Yes
Call by Reference: No ( called with pass by value option)
I_UMSKZ - Special G/L indicator (only for texts)
Data type: TBSLT-UMSKZDefault: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)
X_BSCHL_ONLY - Check posting key only
Data type: CDefault: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)
EXCEPTIONS details
POSTING_KEY - Posting key not found
Data type:Optional: No
Call by Reference: No ( called with pass by value option)
POSTING_KEY_TEXT - No text found for posting key
Data type:Optional: No
Call by Reference: No ( called with pass by value option)
SPECIAL_GL_IND_PROPERTIES -
Data type:Optional: No
Call by Reference: No ( called with pass by value option)
Copy and paste ABAP code example for FI_POSTING_KEY_CHECK 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.| DATA: | ||||
| lv_i_bschl | TYPE TBSL-BSCHL, " | |||
| lv_posting_key | TYPE TBSL, " | |||
| lv_i_langu | TYPE SY-LANGU, " SY-LANGU | |||
| lv_posting_key_text | TYPE SY, " | |||
| lv_i_umskz | TYPE TBSLT-UMSKZ, " SPACE | |||
| lv_special_gl_ind_properties | TYPE TBSLT, " | |||
| lv_x_bschl_only | TYPE C. " SPACE |
|   CALL FUNCTION 'FI_POSTING_KEY_CHECK' " |
| EXPORTING | ||
| I_BSCHL | = lv_i_bschl | |
| I_LANGU | = lv_i_langu | |
| I_UMSKZ | = lv_i_umskz | |
| X_BSCHL_ONLY | = lv_x_bschl_only | |
| EXCEPTIONS | ||
| POSTING_KEY = 1 | ||
| POSTING_KEY_TEXT = 2 | ||
| SPECIAL_GL_IND_PROPERTIES = 3 | ||
| . " FI_POSTING_KEY_CHECK | ||
ABAP code using 7.40 inline data declarations to call FM FI_POSTING_KEY_CHECK
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.| "SELECT single BSCHL FROM TBSL INTO @DATA(ld_i_bschl). | ||||
| "SELECT single LANGU FROM SY INTO @DATA(ld_i_langu). | ||||
| DATA(ld_i_langu) | = SY-LANGU. | |||
| "SELECT single UMSKZ FROM TBSLT INTO @DATA(ld_i_umskz). | ||||
| DATA(ld_i_umskz) | = ' '. | |||
| DATA(ld_x_bschl_only) | = ' '. | |||
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