---
id: change/bcapps/9275
type: change
title: "#9275 [ALAppExtensions #30250] Matrix Management: reorder OnFormatRoundingFactor Signature"
summary: Matrix Management (codeunit 9200) reorders an event's parameters so AmountDecimal comes first, matching related events. The description names OnAfterSetAmountDecimal; the title names OnFormatRoundingFactor. Existing subscribers must update their parameter order.
tier: official
language: en
tags:
  - breaking
  - main
  - bc30
  - codeunit matrix management
system: finance
review:
  state: reviewed
  by: opus
  at: "2026-10-08T02:13:21.150Z"
  flags: []
generated:
  at: "2026-10-08T01:26:53.141Z"
  pipeline: 0.2.0
  prompts:
    extract-change: 1
  input_hash: 307c84b4c3a584bffe432ca88bd97da8202eb9af
evidence:
  - kind: code
    url: https://github.com/microsoft/BCApps/pull/9275
    title: "microsoft/BCApps#9275: [ALAppExtensions #30250] Matrix Management: reorder OnFormatRoundingFactor Signature"
    date: "2026-07-10"
    commit: 307c84b4c3a584bffe432ca88bd97da8202eb9af
    t: null
    quote: null
links:
  learn: []
  objects:
    - object/codeunit/9200
  features: []
  topics: []
  localizations: []
  videos: []
  posts: []
  guidelines: []
  changes: []
number: 9275
repo: microsoft/BCApps
source_id: bcapps-prs
url: https://github.com/microsoft/BCApps/pull/9275
kind: pr
base_branch: main
major: "30"
merged_at: "2026-07-10T10:09:30Z"
author: Explorer986
author_type: User
community_contribution: false
labels:
  - "Team: Finance"
change_class: code
change_kind: breaking
behavior_change: false
breaking: true
files:
  count: 1
  additions: 3
  deletions: 3
  al: 1
apps:
  - Base Application
objects_touched:
  - key: codeunit/9200
    page: codeunit/9200
    type: codeunit
    id: 9200
    name: Matrix Management
    app: Base Application
    status: modified
objects_unjoined: []
obsoletions: []
backports: []
fixes_issues: []
work_items:
  - 639939
systems:
  - finance
quote: null
joined_against:
  major: "30"
  commit: ecbc028c25dbe83b61313bc566e6c1d41184bb1c
---

# #9275 [ALAppExtensions #30250] Matrix Management: reorder OnFormatRoundingFactor Signature

> Matrix Management (codeunit 9200) reorders an event's parameters so AmountDecimal comes first, matching related events. The description names OnAfterSetAmountDecimal; the title names OnFormatRoundingFactor. Existing subscribers must update their parameter order.

[Pull request](https://github.com/microsoft/BCApps/pull/9275) · merged into `main` (BC30) on 2026-07-10 by Explorer986 · 1 file (+3 -3), 1 AL · breaking · tier official · reviewed (checked by Opus)

## What changed

- Parameter order of OnAfterSetAmountDecimal event changed to put AmountDecimal first
- Aligns event signature consistency with related events
- No runtime behavior change, pure refactor
- External event subscribers must update parameter order
- No table schema or data upgrade impact
- Breaking: existing extensions can stop compiling or working.

## AL objects touched

- [Codeunit 9200 "Matrix Management"](../../objects/codeunit/9200.md), Base Application: modified

## Context

- Work items: AB#639939
- Labels: Team: Finance
- Systems: finance

Source: metadata of a merged pull request in microsoft/BCApps (bcapps): title, labels, changed paths and counts, with a summary in our words. No source text and no description beyond one short quote (D10, D61).