SAP APPT_RULE_READ Function Module for
APPT_RULE_READ is a standard appt rule read 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 appt rule read FM, simply by entering the name APPT_RULE_READ into the relevant SAP transaction such as SE37 or SE38.
Function Group: SSC_RULES
Program Name: SAPLSSC_RULES
Main Program: SAPLSSC_RULES
Appliation area:
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function APPT_RULE_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 'APPT_RULE_READ'".
EXPORTING
RULE_ID = "
IMPORTING
RULE = "
EXCEPTIONS
NO_RULE = 1
IMPORTING Parameters details for APPT_RULE_READ
RULE_ID -
Data type: SCRULES-RULE_IDOptional: No
Call by Reference: Yes
EXPORTING Parameters details for APPT_RULE_READ
RULE -
Data type: RULE_TABOptional: No
Call by Reference: Yes
EXCEPTIONS details
NO_RULE -
Data type:Optional: No
Call by Reference: Yes
Copy and paste ABAP code example for APPT_RULE_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.| DATA: | ||||
| lv_rule | TYPE RULE_TAB, " | |||
| lv_no_rule | TYPE RULE_TAB, " | |||
| lv_rule_id | TYPE SCRULES-RULE_ID. " |
|   CALL FUNCTION 'APPT_RULE_READ' " |
| EXPORTING | ||
| RULE_ID | = lv_rule_id | |
| IMPORTING | ||
| RULE | = lv_rule | |
| EXCEPTIONS | ||
| NO_RULE = 1 | ||
| . " APPT_RULE_READ | ||
ABAP code using 7.40 inline data declarations to call FM APPT_RULE_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.| "SELECT single RULE_ID FROM SCRULES INTO @DATA(ld_rule_id). | ||||
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