ENTRY POINTPublished

MT110WHEN

MT110WHEN() --> Logical

MT110WHEN runs in the Item and document validation area of MATA110, in a110When.

Entry pointsMATA110SIGACOMPurchase RequestExecBlockItem and document validation

01 · OVERVIEW

Overview

MT110WHEN is an Entry Point identified in the analyzed MATA110 technical documentation. The call occurs in a110When, in the Item and document validation area. Confirm its contract against the release and patch used by the environment before implementing a customization.

02 · SYNTAX

Syntax

MT110WHEN() --> Logical

Parameters

PARAMIXB

ContextualOptional

Its structure depends on the call site. Confirm the arguments sent by the target release before reading array positions.

Return value

Logical.

03 · PRACTICAL EXAMPLE

Initial validation structure

#Include "TOTVS.ch"

User Function MT110WHEN()
    Local uRet := Nil

    // Confirm PARAMIXB and the return value in the target release documentation.

Return uRet

Expected result

Minimum structure: adjust parameters and return value only after confirming the call site in the environment.

BEST PRACTICES

Validate PARAMIXB and the return value in the target environment.
Preserve work areas used by the customization.
Test creation, edit, deletion, approval, and automatic execution separately when applicable.

COMMON PITFALLS

Do not assume a point called by several operations always receives the same state.
Do not return a type different from the one consumed by the caller.
Do not rely on private variables without validating the context.