---
title: "Codeunit 925 Assembly Header-Reserve"
author: "Jonas Paprotka"
url: https://jonas-paprotka.de/ref/codeunit/925-assembly-header-reserve/
type: codeunit
id: 925
name: "Assembly Header-Reserve"
app: "Base Application"
namespace: Microsoft.Assembly.Document
versions: "17-28"
build: 28.5.54151.54365
source: "https://jonas-paprotka.de/ref/codeunit/925-assembly-header-reserve/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 925 Assembly Header-Reserve

Jonas Paprotka, https://jonas-paprotka.de/ref/codeunit/925-assembly-header-reserve/

| | |
| --- | --- |
| App | Base Application |
| Namespace | Microsoft.Assembly.Document |
| Versions | 17-28 |
| Source file | Assembly/Document/AssemblyHeaderReserve.Codeunit.al |

## Procedures

| Name | Parameters | Returns | Access | Versions | Obsolete | Reason |
| --- | --- | --- | --- | --- | --- | --- |
| CreateReservation | (var Record Assembly Header, Text[100], Date, Decimal, Decimal, Record Reservation Entry) | - | public | 17-28 | - | - |
| CreateReservation | (var Record Assembly Header, Text[100], Date, Decimal, Decimal, Code[50], Code[50]) | - | public | 17-18 | Pending 16.0 | Replaced by CreateReservation(AssemblyHeader, Description, ExpectedReceiptDate, Quantity, QuantityBase, ForReservEntry) |
| CreateReservation | (var Record Assembly Header, Text[100], Date, Decimal, Decimal) | - | public | 17-28 | - | - |
| CreateReservationSetFrom | (Record Tracking Specification) | - | public | 17-28 | - | - |
| SetBinding | (Enum Reservation Binding) | - | public | 17-28 | - | - |
| SetDisallowCancellation | (Boolean) | - | public | 17-28 | - | - |
| FilterReservFor | (var Record Reservation Entry, Record Assembly Header) | - | public | 17-28 | - | - |
| FindReservEntry | (Record Assembly Header, var Record Reservation Entry) | Boolean | public | 17-28 | - | - |
| UpdatePlanningFlexibility | (var Record Assembly Header) | - | public | 17-28 | - | - |
| ReservEntryExist | (Record Assembly Header) | Boolean | public | 17-28 | - | - |
| DeleteLine | (var Record Assembly Header) | - | public | 17-28 | - | - |
| VerifyChange | (var Record Assembly Header, var Record Assembly Header) | - | public | 17-28 | - | - |
| VerifyQuantity | (var Record Assembly Header, var Record Assembly Header) | - | public | 17-28 | - | - |
| Caption | (Record Assembly Header) | Text | public | 17-28 | - | - |
| CallItemTracking | (var Record Assembly Header) | - | public | 17-28 | - | - |
| DeleteLineConfirm | (var Record Assembly Header) | Boolean | public | 17-28 | - | - |
| UpdateItemTrackingAfterPosting | (Record Assembly Header) | - | public | 17-28 | - | - |
| TransferAsmHeaderToItemJnlLine | (var Record Assembly Header, var Record Item Journal Line, Decimal, Boolean) | Decimal | public | 17-28 | - | - |
| InitFromAsmHeader | (var Record Tracking Specification, var Record Assembly Header) | - | public | 25-28 | - | - |
| TransferPlanningLineToAsmHdr | (var Record Requisition Line, var Record Assembly Header, Decimal, Boolean) | - | public | 27-28 | - | - |

## Events

| Kind | Name | Parameters | Versions | Obsolete | Reason |
| --- | --- | --- | --- | --- | --- |
| Integration event | OnVerifyChangeOnBeforeHasError | (Record Assembly Header, Record Assembly Header, var Boolean, var Boolean) | 17-28 | - | - |
| Integration event | OnCallItemTrackingOnBeforeItemTrackingLinesRunModal | (var Record Assembly Header, var Page Item Tracking Lines) | 18-28 | - | - |
| Integration event | OnBeforeCallItemTracking | (var Record Assembly Header, var Boolean) | 22-28 | - | - |
| Integration event | OnBeforeDeleteLine | (var Record Assembly Header) | 22-28 | - | - |
| Integration event | OnBeforeCreateReservation | (var Record Assembly Header, Text[100], Date, Decimal, Decimal, Record Reservation Entry, Record Tracking Specification, var Boolean) | 22-28 | - | - |
| Integration event | OnCreateReservationOnBeforeCreateReservEntry | (var Record Assembly Header, var Decimal, var Decimal, var Record Reservation Entry, var Record Tracking Specification, var Boolean, Date, Text[100], Date) | 24-28 | - | - |
| Integration event | OnBeforeAutoReserveAssemblyHeader | (Integer, var Decimal, var Decimal, Text[100], Date, var Boolean, Text[1], Integer, Record Reservation Entry) | 25-28 | - | - |
| Integration event | OnSetAssemblyHeaderOnBeforeUpdateReservation | (var Record Reservation Entry, Record Assembly Header) | 25-28 | - | - |
| Integration event | OnAfterInitFromAsmHeader | (var Record Tracking Specification, Record Assembly Header) | 25-28 | - | - |
| Integration event | OnVerifyQuantityOnBeforeDeleteReservationEntries | (var Record Assembly Header, Record Assembly Header) | 26-28 | - | - |
| Integration event | OnVerifyQuantityOnBeforeAutoTrack | (var Record Assembly Header) | 26-28 | - | - |
| Integration event | OnTransferAsmHeaderToItemJnlLineOnBeforeTransferReservationEntry | (var Record Assembly Header, var Record Item Journal Line, var Record Reservation Entry) | 26-28 | - | - |
| Integration event | OnTransferReqLineToAsmHdrOnBeforeTransfer | (var Record Reservation Entry, var Record Requisition Line, var Record Assembly Header) | 27-28 | - | - |

## 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.