SAP LTRS_RESOURCE_CHECK Function Module for Check input parameters during resource registration

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LTRS_RESOURCE_CHECK is a standard ltrs resource check SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Check input parameters during resource registration 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 ltrs resource check FM, simply by entering the name LTRS_RESOURCE_CHECK into the relevant SAP transaction such as SE37 or SE38.

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

Function LTRS_RESOURCE_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 'LTRS_RESOURCE_CHECK'"Check input parameters during resource registration
  EXPORTING
   I_LOCAT =  "Site location
*  I_PRSDV =  "Default presentation device
*  I_WORKER =  "Worker
*  I_DEVICE =  "Device
*  I_ROLE =  "Role of worker
*  I_RSTYP =  "Resource type
*  I_EXT_FLAG =  "External caller flag

 IMPORTING
   O_ROLE =  "Resource element type
   O_RSTYP =  "Resource type
   O_RSRCE =  "Resource
   O_DVTYP =  "Resource element type
   O_RSLOC =  "Node

EXCEPTIONS
   NO_LOGON = 1    RESOURCE_ACTIVE = 2 

.

IMPORTING Parameters details for LTRS_RESOURCE_CHECK

I_LOCAT - Site location

Data type: LLOCT-LOCAT
Optional: No
Call by Reference: Yes

I_PRSDV - Default presentation device

Data type: LELMT-PRSDV
Optional: Yes
Call by Reference: Yes

I_WORKER - Worker

Data type: LELMT-ELMNT
Optional: Yes
Call by Reference: Yes

I_DEVICE - Device

Data type: LELMT-ELMNT
Optional: Yes
Call by Reference: Yes

I_ROLE - Role of worker

Data type: LELMT-ELMTY
Optional: Yes
Call by Reference: Yes

I_RSTYP - Resource type

Data type: LELMT-RSTYP
Optional: Yes
Call by Reference: Yes

I_EXT_FLAG - External caller flag

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

EXPORTING Parameters details for LTRS_RESOURCE_CHECK

O_ROLE - Resource element type

Data type: LELMT-ELMTY
Optional: No
Call by Reference: Yes

O_RSTYP - Resource type

Data type: LELMT-RSTYP
Optional: No
Call by Reference: Yes

O_RSRCE - Resource

Data type: LELMT-RSRCE
Optional: No
Call by Reference: Yes

O_DVTYP - Resource element type

Data type: LELMT-ELMTY
Optional: No
Call by Reference: Yes

O_RSLOC - Node

Data type: LRSRC-RNODE_ND
Optional: No
Call by Reference: Yes

EXCEPTIONS details

NO_LOGON - Logon is impossible

Data type:
Optional: No
Call by Reference: Yes

RESOURCE_ACTIVE - Resource element logged on

Data type:
Optional: No
Call by Reference: Yes

Copy and paste ABAP code example for LTRS_RESOURCE_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.

ABAP code using 7.40 inline data declarations to call FM LTRS_RESOURCE_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.

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