--- id: object/codeunit/99000834 type: object title: Codeunit 99000834 "Purch. Line-Reserve" summary: Codeunit 99000834 "Purch. Line-Reserve" in Base Application (Microsoft.Purchases.Document). 27 public procedures, 28 events, 28 event subscribers. Present since at least BC23, still in BC30, changed in BC24-25, BC27-28. tier: official language: en tags: - codeunit - base application versions: introduced: null last_changed: "28" deprecated: null review: state: derived by: null at: null flags: [] generated: at: "2026-10-11T00:31:51.816Z" pipeline: 0.2.0 prompts: {} input_hash: 6d169417cfffe0c40d4ad0011e2cd23767da56f28f9eac67c1ab16f92b77074f evidence: - kind: code url: https://github.com/microsoft/BCApps/blob/ea08af5ef2d6a9b5c5af4a029288abbe2c883220/src/Layers/W1/BaseApp/Purchases/Document/PurchLineReserve.Codeunit.al title: src/Layers/W1/BaseApp/Purchases/Document/PurchLineReserve.Codeunit.al (releases/29.x) date: null commit: ea08af5ef2d6a9b5c5af4a029288abbe2c883220 t: null quote: null links: learn: [] objects: [] features: [] topics: [] localizations: [] videos: [] posts: [] guidelines: [] changes: - change/bcapps/9783 object_type: codeunit object_id: 99000834 name: Purch. Line-Reserve namespace: Microsoft.Purchases.Document app: Base Application extends: null first_version: "23" last_version: "30" present_in: - "23" - "24" - "25" - "26" - "27" - "28" - "29" - "30" changed_in: - "24" - "25" - "27" - "28" source_major: "29" obsolete: null countries: [] ms_search_form_ids: [] counts: fields: 0 procedures: 96 events: 28 subscribers: 28 relations: out: 0 referenced_by: 0 pages: 0 extended_by: 0 event_subscribers: 0 calls: 12 called_by: 18 implements: 0 --- # Codeunit 99000834 "Purch. Line-Reserve" > Codeunit 99000834 "Purch. Line-Reserve" in Base Application (Microsoft.Purchases.Document). 27 public procedures, 28 events, 28 event subscribers. Present since at least BC23, still in BC30, changed in BC24-25, BC27-28. Base Application · Microsoft.Purchases.Document · BC23-30 · [source at ea08af5e](https://github.com/microsoft/BCApps/blob/ea08af5ef2d6a9b5c5af4a029288abbe2c883220/src/Layers/W1/BaseApp/Purchases/Document/PurchLineReserve.Codeunit.al) · facts from BC29 ## Properties | Property | Value | |---|---| | Permissions | TableData "Reservation Entry" = rimd | ## Events published - `OnVerifyChangeOnBeforeHasError(NewPurchLine: Record "Purchase Line"; OldPurchLine: Record "Purchase Line"; var HasError: Boolean; var ShowError: Boolean)` (integration) - `OnAfterUpdateItemTrackingAfterPosting(var PurchHeader: Record "Purchase Header")` (integration) - `OnBeforeCreateReservation(var PurchLine: Record "Purchase Line")` (integration) - `OnBeforeDeleteLine(var PurchaseLine: Record "Purchase Line"; var IsHandled: Boolean)` (integration) - `OnBeforeTransferPurchLineToItemJnlLine(var PurchaseLine: Record "Purchase Line"; var ItemJournalLine: Record "Item Journal Line"; TransferQty: Decimal; var CheckApplToItemEntry: Boolean; var Result: Decimal; var IsHandled: Boolean)` (integration) - `OnBeforeTransferPurchLineToItemJnlLineReservEntry(var OldReservEntry: Record "Reservation Entry"; PurchLine: Record "Purchase Line"; ItemJnlLine: Record "Item Journal Line"; var TransferQty: Decimal; var IsHandled: Boolean)` (integration) - `OnBeforeRunItemTrackingLinesPage(var ItemTrackingLines: Page "Item Tracking Lines"; var IsHandled: Boolean)` (integration) - `OnBeforeVerifyQuantity(PurchaseLine: Record "Purchase Line"; var IsHandled: Boolean; OldPurchaseLine: Record "Purchase Line")` (integration) - `OnTransferPurchLineToPurchLineOnAfterOldReservEntrySetFilters(var OldPurchLine: record "Purchase Line"; var NewPurchLine: Record "Purchase Line")` (integration) - `OnTransferPurchLineToItemJnlLineOnBeforeInitRecordSet(var OldReservationEntry: Record "Reservation Entry")` (integration) - `OnVerifyChangeOnBeforeTestVariantCode(var NewPurchaseLine: Record "Purchase Line"; var OldPurchaseLine: Record "Purchase Line"; var IsHandled: Boolean)` (integration) - `OnCallItemTrackingOnBeforeItemTrackingFormRunModal(var PurchLine: Record "Purchase Line"; var ItemTrackingForm: Page "Item Tracking Lines")` (integration) - `OnRetrieveInvoiceSpecification2OnBeforeInsert(var TempInvoicingSpecification: Record "Tracking Specification" temporary; ReservEntry: Record "Reservation Entry")` (integration) - `OnUpdateStatisticsOnBeforeCheckSpecialOrder(var PurchLine: Record "Purchase Line")` (integration) - `OnBeforeAssignForPlanning(PurchaseLine: Record "Purchase Line"; var IsHandled: Boolean)` (integration) - `OnBeforeRetrieveInvoiceSpecification(PurchaseLine: Record "Purchase Line"; var IsHandled: Boolean; var OK: Boolean; var TempInvoicingSpecification: Record "Tracking Specification" temporary)` (integration) - `OnBeforeRetrieveInvoiceSpecification2(PurchaseLine: Record "Purchase Line"; var IsHandled: Boolean)` (integration) - `OnCreateReservationOnBeforeCreateReservEntry(var PurchLine: Record "Purchase Line"; var Quantity: Decimal; var QuantityBase: Decimal; var ForReservEntry: Record "Reservation Entry"; var IsHandled: Boolean; var FromTrackingSpecification: Record "Tracking Specification"; ExpectedReceiptDate: Date; var Description: Text[100]; ShipmentDate: Date)` (integration) - `OnCallItemTrackingOnAfterCalcShouldProcessDropShipment(var PurchLine: Record "Purchase Line"; var ShouldProcessDropShipment: Boolean; var ItemTrackingLinesPage: Page "Item Tracking Lines")` (integration) - `OnAfterCreateReservation(var PurchaseLine: Record "Purchase Line")` (integration) - `OnBeforeCallItemTracking(var PurchaseLine: Record "Purchase Line"; var IsHandled: Boolean)` (integration) - `OnAfterReservQuantity(PurchaseLine: Record "Purchase Line"; var QtyToReserve: Decimal)` (integration) - `OnBeforeVerifyChange(var NewPurchaseLine: Record "Purchase Line"; var OldPurchaseLine: Record "Purchase Line"; var IsHandled: Boolean)` (integration) - `OnBeforeAutoReservePurchLine(ReservSummEntryNo: Integer; var RemainingQtyToReserve: Decimal; var RemainingQtyToReserveBase: Decimal; Description: Text[100]; AvailabilityDate: Date; var IsReserved: Boolean; var Search: Text[1]; var NextStep: Integer; CalcReservEntry: Record "Reservation Entry")` (integration) - `OnAutoReservePurchLineOnBeforeSetQtyToReserveDownToTrackedQuantity(PurchLine: Record "Purchase Line"; CalcReservEntry: Record "Reservation Entry"; var ReservQty: Decimal; var QtyThisLine: Decimal; var QtyThisLineBase: Decimal)` (integration) - `OnAfterAutoReservePurchLine(var PurchLine: Record "Purchase Line"; ReservSummEntryNo: Integer; var RemainingQtyToReserve: Decimal; var RemainingQtyToReserveBase: Decimal; Description: Text[100]; AvailabilityDate: Date)` (integration) - `OnSetSourceForReservationOnBeforeUpdateReservation(var ReservEntry: Record "Reservation Entry"; PurchLine: Record "Purchase Line")` (integration, obsolete 27.0) - `OnAfterInitFromPurchLine(var TrackingSpecification: Record "Tracking Specification"; PurchaseLine: Record "Purchase Line")` (integration) ## Event subscriptions - OnGetQtyPerUOMFromSourceRecRef subscribes to Page "Reservation" OnGetQtyPerUOMFromSourceRecRef - ReservationOnSetReservSource subscribes to Page "Reservation" OnSetReservSource - ReservationOnDrillDownTotalQuantity subscribes to Page "Reservation" OnDrillDownTotalQuantity - ReservationOnFilterReservEntry subscribes to Page "Reservation" OnFilterReservEntry - ReservationOnRelatesToEntrySummary subscribes to Page "Reservation" OnAfterRelatesToSummEntry - ItemLedgerEntryOnDrillDownTotalQuantity subscribes to Codeunit "Item Ledger Entry-Reserve" OnDrillDownTotalQuantity - OnCreateReservation subscribes to Codeunit "Reservation Management" OnCreateReservation - OnLookupDocument subscribes to Codeunit "Reservation Management" OnLookupDocument - OnLookupLine subscribes to Codeunit "Reservation Management" OnLookupLine - OnFilterReservFor subscribes to Codeunit "Reservation Management" OnFilterReservFor - OnCalculateRemainingQty subscribes to Codeunit "Reservation Management" OnCalculateRemainingQty - OnGetSourceRecordValue subscribes to Codeunit "Reservation Management" OnGetSourceRecordValue - OnUpdateStatistics subscribes to Codeunit "Reservation Management" OnUpdateStatistics - OnLookupReserved subscribes to Page "Reservation Entries" OnLookupReserved - OnAfterAutoReserveOneLine subscribes to Codeunit "Reservation Management" OnAfterAutoReserveOneLine - OnAutoReserveOnBeforeStopReservation subscribes to Codeunit "Reservation Management" OnAutoReserveOnBeforeStopReservation - OnAutoTrackOnCheckSourceType subscribes to Codeunit "Reservation Management" OnAutoTrackOnCheckSourceType - OnTestItemType subscribes to Codeunit "Reservation Management" OnTestItemType - OnIssueActionMessageOnSetSourceTypeFromSKU subscribes to Codeunit "Reservation Management" OnIssueActionMessageOnSetSourceTypeFromSKU - CheckSourceTypeSubtype subscribes to Codeunit "Create Reserv. Entry" OnCheckSourceTypeSubtype - OnRevertDateToSourceDate subscribes to Codeunit "Reservation Engine Mgt." OnRevertDateToSourceDate - OnGetActivePointerFieldsOnBeforeAssignArrayValues subscribes to Codeunit "Reservation Engine Mgt." OnGetActivePointerFieldsOnBeforeAssignArrayValues - OnAfterCreateText subscribes to Codeunit "Reservation Engine Mgt." OnCreateText - OnBeforeSummEntryNo subscribes to Table "Reservation Entry" OnAfterSummEntryNo - ReservationEntryOnUpdateSourceCost subscribes to Table "Reservation Entry" OnUpdateSourceCost - OrderTrackingManagementOnSetSourceRecord subscribes to Codeunit "OrderTrackingManagement" OnSetSourceRecord - OnInsertOrderTrackingEntry subscribes to Codeunit "OrderTrackingManagement" OnInsertOrderTrackingEntry - OnGetSourceShipmentDate subscribes to Table "Tracking Specification" OnGetSourceShipmentDate ## Procedures - `CreateReservation(var PurchaseLine: Record "Purchase Line"; Description: Text[100]; ExpectedReceiptDate: Date; Quantity: Decimal; QuantityBase: Decimal; ForReservationEntry: Record "Reservation Entry")` - `CreateReservationSetFrom(TrackingSpecification: Record "Tracking Specification")` - `ReservQuantity(PurchaseLine: Record "Purchase Line"): Decimal` - `Caption(PurchaseLine: Record "Purchase Line"): Text` - `FindReservEntry(PurchaseLine: Record "Purchase Line"; var ReservationEntry: Record "Reservation Entry"): Boolean` - `GetReservedQtyFromInventory(PurchaseLine: Record "Purchase Line"): Decimal` - `GetReservedQtyFromInventory(PurchaseHeader: Record "Purchase Header"): Decimal` - `ReservEntryExist(PurchaseLine: Record "Purchase Line"): Boolean` - `VerifyChange(var NewPurchaseLine: Record "Purchase Line"; var OldPurchaseLine: Record "Purchase Line")` - `VerifyQuantity(var NewPurchaseLine: Record "Purchase Line"; var OldPurchaseLine: Record "Purchase Line")` - `UpdatePlanningFlexibility(var PurchaseLine: Record "Purchase Line")` - `TransferPurchLineToItemJnlLine(var PurchaseLine: Record "Purchase Line"; var ItemJournalLine: Record "Item Journal Line"; TransferQty: Decimal; var CheckApplToItemEntry: Boolean): Decimal` - `TransferPurchLineToPurchLine(var OldPurchaseLine: Record "Purchase Line"; var NewPurchaseLine: Record "Purchase Line"; TransferQty: Decimal)` - `DeleteLineConfirm(var PurchaseLine: Record "Purchase Line"): Boolean` - `DeleteLine(var PurchaseLine: Record "Purchase Line")` - `Block(SetBlocked: Boolean)` - `CallItemTracking(var PurchaseLine: Record "Purchase Line")` - `CallItemTracking(var PurchaseLine: Record "Purchase Line"; SecondSourceQuantityArray: array[3] of Decimal)` - `CallItemTracking(var PurchaseLine: Record "Purchase Line"; ItemLedgerEntryFilter: Text)` - `RetrieveInvoiceSpecification(var PurchaseLine: Record "Purchase Line"; var TempInvoicingTrackingSpecification: Record "Tracking Specification" temporary): Boolean` - `RetrieveInvoiceSpecification2(var PurchaseLine: Record "Purchase Line"; var TempInvoicingTrackingSpecification: Record "Tracking Specification" temporary): Boolean` - `DeleteInvoiceSpecFromHeader(PurchaseHeader: Record "Purchase Header")` - `DeleteInvoiceSpecFromLine(PurchaseLine: Record "Purchase Line")` - `UpdateItemTrackingAfterPosting(PurchaseHeader: Record "Purchase Header")` - `SetApplySpecificItemTracking(ApplySpecific: Boolean)` - `SetOverruleItemTracking(Overrule: Boolean)` - `InitFromPurchLine(var TransactionSpecification: Record "Tracking Specification"; PurchLine: Record "Purchase Line")` Plus 13 local procedures. ## Triggers OnRun ## Calls From the extracted call graph of BC29 (graphify-al on the snapshot checkout): calls whose target is known from a declared type or an `Object::"Name"` argument. Interface dispatch and calls through events are not counted, so the list is not complete. - [Codeunit 99000845 "Reservation Management"](../codeunit/99000845.md) (18 calls: `AutoReservePurchLine → GetAvailabilityFilter`, `AutoReservePurchLine → InsertReservationEntries`, `AutoReservePurchLine → SetQtyToReserveDownToTrackedQuantity`, …) - [Codeunit 99000830 "Create Reserv. Entry"](../codeunit/99000830.md) (12 calls: `CreateReservation → CreateReservEntry`, `CreateReservation → CreateReservEntryFor`, `CreateReservation → CreateReservEntryFrom`, …) - [Codeunit 6500 "Item Tracking Management"](../codeunit/6500.md) (4 calls: `CallItemTracking → ComposeRowID`, `DeleteInvoiceSpecFromHeader → DeleteInvoiceSpecFromHeader`, `DeleteInvoiceSpecFromLine → DeleteInvoiceSpecFromLine`, …) - [Codeunit 99000831 "Reservation Engine Mgt."](../codeunit/99000831.md) (2 calls: `TransferPurchLineToItemJnlLine → InitRecordSet`, `TransferPurchLineToItemJnlLine → NEXTRecord`) - [Page 518 "Purchase Lines"](../page/518.md) (2 calls: `OnLookupLine → (object)`, `ShowSourceLines → (object)`) - [Codeunit 5402 "Unit of Measure Management"](../codeunit/5402.md) (1 call: `RetrieveInvoiceSpecification2 → QtyRndPrecision`) - [Codeunit 99000841 "Item Ledger Entry-Reserve"](../codeunit/99000841.md) (1 call: `ItemLedgerEntryOnDrillDownTotalQuantity → DrillDownTotalQuantity`) - [Page 49 "Purchase Quote"](../page/49.md) (1 call: `OnLookupDocument → (object)`) - [Page 50 "Purchase Order"](../page/50.md) (1 call: `OnLookupDocument → (object)`) - [Page 51 "Purchase Invoice"](../page/51.md) (1 call: `OnLookupDocument → (object)`) - [Page 52 "Purchase Credit Memo"](../page/52.md) (1 call: `OnLookupDocument → (object)`) - [Page 6640 "Purchase Return Order"](../page/6640.md) (1 call: `OnLookupDocument → (object)`) ## Called by - [Table 39 "Purchase Line"](../table/39.md) (6 calls: `BlockDynamicTracking → Block`, `CheckIfPurchaseLineMeetsReservedFromStockSetting → GetReservedQtyFromInventory`, `OnDelete → DeleteLine`, …) - [Codeunit 90 "Purch.-Post"](../codeunit/90.md) (4 calls: `DeleteAfterPosting → DeleteInvoiceSpecFromHeader`, `InsertTrackingSpecification → UpdateItemTrackingAfterPosting`, `PostItemJnlLine → TransferPurchLineToItemJnlLine`, …) - [Codeunit 80 "Sales-Post"](../codeunit/80.md) (3 calls: `TransferReservFromPurchLine → SetOverruleItemTracking`, `TransferReservFromPurchLine → TransferPurchLineToItemJnlLine`, `UpdateAssociatedPurchaseOrder → UpdateItemTrackingAfterPosting`) - [Codeunit 96 "Purch.-Quote to Order"](../codeunit/96.md) (2 calls: `TransferQuoteToOrderLines → TransferPurchLineToPurchLine`, `TransferQuoteToOrderLines → VerifyQuantity`) - [Codeunit 99000973 "Purch. Availability Mgt."](../codeunit/99000973.md) (2 calls: `TransferFromPurchase → ReservQuantity`, `TransferFromPurchReturn → ReservQuantity`) - [Page 54 "Purchase Order Subform"](../page/54.md) (2 calls: `OnDeleteRecord → DeleteLine`, `OnDeleteRecord → DeleteLineConfirm`) - [Page 55 "Purch. Invoice Subform"](../page/55.md) (2 calls: `OnDeleteRecord → DeleteLine`, `OnDeleteRecord → DeleteLineConfirm`) - [Page 6641 "Purchase Return Order Subform"](../page/6641.md) (2 calls: `OnDeleteRecord → DeleteLine`, `OnDeleteRecord → DeleteLineConfirm`) - [Page 97 "Purchase Quote Subform"](../page/97.md) (2 calls: `OnDeleteRecord → DeleteLine`, `OnDeleteRecord → DeleteLineConfirm`) - [Page 98 "Purch. Cr. Memo Subform"](../page/98.md) (2 calls: `OnDeleteRecord → DeleteLine`, `OnDeleteRecord → DeleteLineConfirm`) - [Table 38 "Purchase Header"](../table/38.md) (2 calls: `GetQtyReservedFromStockState → GetReservedQtyFromInventory`, `UpdatePurchLinesByFieldNo → VerifyChange`) - [Codeunit 20438 "Qlty. Warehouse Integration"](../codeunit/20438.md) (1 call: `CollectSourceItemTracking → FindReservEntry`) - [Codeunit 5817 "Undo Posting Management"](../codeunit/5817.md) (1 call: `PurchLineReserveVerifyQuantity → VerifyQuantity`) - [Codeunit 5826 "Matched Order Line Mgmt."](../codeunit/5826.md) (1 call: `ShowItemTrackingEntriesForPurchaseInvoice → CallItemTracking`) - [Codeunit 97 "Blanket Purch. Order to Order"](../codeunit/97.md) (1 call: `OnRun → TransferPurchLineToPurchLine`) - [Codeunit 99000815 "Reservation-Check Date Confl."](../codeunit/99000815.md) (1 call: `PurchLineCheck → FindReservEntry`) - [Table 7317 "Warehouse Receipt Line"](../table/7317.md) (1 call: `OpenItemTrackingLines → CallItemTracking`) - [Table 7321 "Warehouse Shipment Line"](../table/7321.md) (1 call: `OpenItemTrackingLines → CallItemTracking`) ## Recent changes - 2026-07-31 [#9783 [Master] Purchase Return Order Posting Fails for Manually Reserved Lot-Tracked Items with Exact Cost Reversing Mandatory Enabled: "Applies-to Entry must not be filled out when reservations exist in Item Ledger Entry Entry No.='XXX'"](../../changes/bcapps/9783.md) (main, BC30, fix) ## Across versions - Present in: BC23-30 - Changed (declaration) in: BC24-25, BC27-28 ## Deprecations - procedure OnSetSourceForReservationOnBeforeUpdateReservation: Pending 27.0 (#if not CLEAN27), "This event is never raised." Source: AL metadata extracted from the code (names, ids, signatures, properties); no code bodies (D10). ## Ask your agent Procedure bodies are not stored here (D10). The call sections above are our own, per object, from the BC29 call graph. For a procedure body or the calls of one procedure, ask bc-code-atlas (external, by Stefan Maron, MIT; default corpus w1-28), which the bc-observatory plugin connects: `bcatlas_resolve_node(object_type: "codeunit", object_name: "Purch. Line-Reserve")`, then `bcatlas_get_procedure_body` or `bcatlas_get_neighbors` on the returned id.