---
title: "Codeunit 9015 Application System Constants"
author: "Jonas Paprotka"
url: https://jonas-paprotka.de/ref/codeunit/9015-application-system-constants/
type: codeunit
id: 9015
name: "Application System Constants"
app: "Base Application"
namespace: System.Environment
versions: "17-28"
build: 28.5.54151.54365
source: "https://jonas-paprotka.de/ref/codeunit/9015-application-system-constants/source/29/"
checked: 2026-09-20
subject: "Microsoft Dynamics 365 Business Central"
license: "Content © 2026 Jonas Paprotka. Quote freely with attribution and a link."
---

# Codeunit 9015 Application System Constants

Jonas Paprotka, https://jonas-paprotka.de/ref/codeunit/9015-application-system-constants/

| | |
| --- | --- |
| App | Base Application |
| Namespace | System.Environment |
| Versions | 17-28 |
| Source file | ApplicationSystemConstants.Codeunit.al |

## Procedures

| Name | Parameters | Returns | Access | Versions | Obsolete | Reason |
| --- | --- | --- | --- | --- | --- | --- |
| OriginalApplicationVersion | () | Text[248] | public | 17-28 | - | - |
| ApplicationVersion | () | Text[248] | public | 17-28 | - | - |
| BuildFileVersion | () | Text[248] | public | 17-28 | - | - |
| ApplicationBuild | () | Text[80] | public | 17-28 | - | - |
| BuildBranch | () | Text[250] | public | 17-28 | - | - |
| PlatformProductVersion | () | Text[80] | public | 17-28 | - | - |
| PlatformFileVersion | () | Text[80] | public | 17-28 | - | - |

## Events

| Kind | Name | Parameters | Versions | Obsolete | Reason |
| --- | --- | --- | --- | --- | --- |
| Integration event | OnAfterGetApplicationVersion | (var Text[248]) | 17-28 | - | - |

## Source

Symbols: Microsoft.BaseApplication.symbols.437dbf0e-84ff-417a-965d-ed2bb9650972, https://dynamicssmb2.pkgs.visualstudio.com/DynamicsBCPublicFeeds/_packaging/MSSymbols/nuget/v3/index.json, highest build per major on 2026-09-20.
AL source 29: https://github.com/microsoft/BCApps, MIT, releases/29.x at a66254c3b8b5bb1cea290dc8f9d097aec4381153.

Jonas Paprotka, 2026-09-20.