SAP LXYRD_HU_UNIQUE_CHECK Function Module for Verify that there is one HU with the same container id per forword agent

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LXYRD_HU_UNIQUE_CHECK is a standard lxyrd hu unique 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 Verify that there is one HU with the same container id per forword agent 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 lxyrd hu unique check FM, simply by entering the name LXYRD_HU_UNIQUE_CHECK into the relevant SAP transaction such as SE37 or SE38.

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

Function LXYRD_HU_UNIQUE_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 'LXYRD_HU_UNIQUE_CHECK'"Verify that there is one HU with the same container id per forword agent
  EXPORTING
   IV_LYARD =  "Yard
   IV_FWAGN =  "Forwarding Agent
   IV_SIGNI =  "Container ID

EXCEPTIONS
   HU_EXIST = 1 

.

IMPORTING Parameters details for LXYRD_HU_UNIQUE_CHECK

IV_LYARD - Yard

Data type: LXYRD_YARD
Optional: No
Call by Reference: Yes

IV_FWAGN - Forwarding Agent

Data type: LXYRD_FWAGN
Optional: No
Call by Reference: Yes

IV_SIGNI - Container ID

Data type: LEINT_SIGNI
Optional: No
Call by Reference: Yes

EXCEPTIONS details

HU_EXIST -

Data type:
Optional: No
Call by Reference: Yes

Copy and paste ABAP code example for LXYRD_HU_UNIQUE_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 LXYRD_HU_UNIQUE_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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