---
id: change/bcapps/9217
type: change
title: "#9217 [Extensibility][SubscriptionBilling]: Make IsLineAttachedToBillingLine accessible from external apps in Sales Line and Purchase Line"
summary: The IsLineAttachedToBillingLine procedure in Sales Line and Purchase Line table extensions changed from internal to public visibility, allowing external applications to access this method.
tier: official
language: en
tags:
  - feature
  - main
  - bc30
  - tableextension purchase line
  - tableextension sales line
system: development
review:
  state: reviewed
  by: opus
  at: "2026-10-08T02:03:34.413Z"
  flags: []
generated:
  at: "2026-10-08T01:26:53.141Z"
  pipeline: 0.2.0
  prompts:
    extract-change: 1
  input_hash: b6f2a972977b89aae6213316d9ff1755a133ce9a
evidence:
  - kind: code
    url: https://github.com/microsoft/BCApps/pull/9217
    title: "microsoft/BCApps#9217: [Extensibility][SubscriptionBilling]: Make IsLineAttachedToBillingLine accessible from external apps in Sales Line and Purchase Line"
    date: "2026-09-25"
    commit: b6f2a972977b89aae6213316d9ff1755a133ce9a
    t: null
    quote: null
links:
  learn: []
  objects:
    - object/tableextension/8065
    - object/tableextension/8054
  features: []
  topics: []
  localizations: []
  videos: []
  posts: []
  guidelines: []
  changes: []
number: 9217
repo: microsoft/BCApps
source_id: bcapps-prs
url: https://github.com/microsoft/BCApps/pull/9217
kind: pr
base_branch: main
major: "30"
merged_at: "2026-09-25T19:43:19Z"
author: miljance
author_type: User
community_contribution: true
labels:
  - "ADO: Sync"
  - "AL: Apps (W1)"
  - From Fork
  - "Team: Finance"
change_class: code
change_kind: feature
behavior_change: false
breaking: false
files:
  count: 3
  additions: 77
  deletions: 3
  al: 2
apps:
  - Subscription Billing
objects_touched:
  - key: tableextension/8065
    page: tableextension/8065
    type: tableextension
    id: 8065
    name: Purchase Line
    app: Subscription Billing
    status: modified
  - key: tableextension/8054
    page: tableextension/8054
    type: tableextension
    id: 8054
    name: Sales Line
    app: Subscription Billing
    status: modified
objects_unjoined: []
obsoletions: []
backports: []
fixes_issues:
  - 8501
work_items:
  - 647285
systems:
  - development
quote: null
joined_against:
  major: "30"
  commit: ecbc028c25dbe83b61313bc566e6c1d41184bb1c
---

# #9217 [Extensibility][SubscriptionBilling]: Make IsLineAttachedToBillingLine accessible from external apps in Sales Line and Purchase Line

> The IsLineAttachedToBillingLine procedure in Sales Line and Purchase Line table extensions changed from internal to public visibility, allowing external applications to access this method.

[Pull request](https://github.com/microsoft/BCApps/pull/9217) · merged into `main` (BC30) on 2026-09-25 by miljance (community contribution) · 3 files (+77 -3), 2 AL · feature · tier official · reviewed (checked by Opus)

## What changed

- IsLineAttachedToBillingLine procedure visibility changed from internal to public in SalesLine.TableExt.al
- IsLineAttachedToBillingLine procedure visibility changed from internal to public in PurchaseLine.TableExt.al
- Enables external apps to determine if sales or purchase lines are attached to billing lines
- Tests added to validate the exposed method behavior
- No breaking changes, only accessibility expansion

## AL objects touched

- [Table extension 8065 "Purchase Line"](../../objects/tableextension/8065.md), Subscription Billing: modified
- [Table extension 8054 "Sales Line"](../../objects/tableextension/8054.md), Subscription Billing: modified

## Context

- Fixes: [#8501 [Extensibility Request][Subscription Billing] Make IsLineAttachedToBillingLine accessible from external apps](https://github.com/microsoft/BCApps/issues/8501) (closed)
- Work items: AB#647285
- Labels: ADO: Sync, AL: Apps (W1), From Fork, Team: Finance
- Systems: development

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).