---
id: object/codeunit/353
type: object
title: Codeunit 353 "Item Availability Forms Mgt"
summary: Codeunit 353 "Item Availability Forms Mgt" in Base Application (Microsoft.Inventory.Availability). 18 public procedures, 18 events. Present since at least BC23, still in BC30, changed in BC25-26, BC28.
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: 76d8e030566efd2204a9e187c4b64faf7e02edaeff31c713248fbfedf657564a
evidence:
  - kind: code
    url: https://github.com/microsoft/BCApps/blob/ea08af5ef2d6a9b5c5af4a029288abbe2c883220/src/Layers/W1/BaseApp/Inventory/Availability/ItemAvailabilityFormsMgt.Codeunit.al
    title: src/Layers/W1/BaseApp/Inventory/Availability/ItemAvailabilityFormsMgt.Codeunit.al (releases/29.x)
    date: null
    commit: ea08af5ef2d6a9b5c5af4a029288abbe2c883220
    t: null
    quote: null
links:
  learn: []
  objects: []
  features: []
  topics: []
  localizations: []
  videos: []
  posts: []
  guidelines: []
object_type: codeunit
object_id: 353
name: Item Availability Forms Mgt
namespace: Microsoft.Inventory.Availability
app: Base Application
extends: null
first_version: "23"
last_version: "30"
present_in:
  - "23"
  - "24"
  - "25"
  - "26"
  - "27"
  - "28"
  - "29"
  - "30"
changed_in:
  - "25"
  - "26"
  - "28"
source_major: "29"
obsolete: null
countries: []
ms_search_form_ids: []
counts:
  fields: 0
  procedures: 39
  events: 18
  subscribers: 0
relations:
  out: 0
  referenced_by: 0
  pages: 0
  extended_by: 0
  event_subscribers: 7
  calls: 1
  called_by: 21
  implements: 0
---

# Codeunit 353 "Item Availability Forms Mgt"

> Codeunit 353 "Item Availability Forms Mgt" in Base Application (Microsoft.Inventory.Availability). 18 public procedures, 18 events. Present since at least BC23, still in BC30, changed in BC25-26, BC28.

Base Application · Microsoft.Inventory.Availability · BC23-30 · [source at ea08af5e](https://github.com/microsoft/BCApps/blob/ea08af5ef2d6a9b5c5af4a029288abbe2c883220/src/Layers/W1/BaseApp/Inventory/Availability/ItemAvailabilityFormsMgt.Codeunit.al) · facts from BC29

## Events published

- `OnAfterCalcItemPlanningFields(var Item: Record Item)` (integration)
  - subscribers: [Codeunit 6452 "Serv. Availability Mgt."](../codeunit/6452.md) OnAfterCalcItemPlanningFields, [Codeunit 99000871 "Job Planning Availability Mgt."](../codeunit/99000871.md) OnAfterCalcItemPlanningFields, [Codeunit 99000872 "Sales Availability Mgt."](../codeunit/99000872.md) OnAfterCalcItemPlanningFields, [Codeunit 99000874 "Assembly Availability Mgt."](../codeunit/99000874.md) OnAfterCalcItemPlanningFields, [Codeunit 99000875 "Prod. Order Availability Mgt."](../codeunit/99000875.md) OnAfterCalcItemPlanningFields, [Codeunit 99000973 "Purch. Availability Mgt."](../codeunit/99000973.md) OnAfterCalcItemPlanningFields
- `OnAfterCalculateNeed(var Item: Record Item; var GrossRequirement: Decimal; var PlannedOrderReceipt: Decimal; var ScheduledReceipt: Decimal; var PlannedOrderReleases: Decimal)` (integration)
- `OnAfterCalculateProjAvailableBalance(var Item: Record Item; var ProjAvailableBalance: Decimal)` (integration)
- `OnBeforeShowItemAvailabilityByBOMLevel(var Item: Record Item; FieldCaption: Text; OldDate: Date; var NewDate: Date; var Result: Boolean; var IsHandled: Boolean)` (integration)
- `OnBeforeShowItemAvailabilityByPeriod(var Item: Record Item; FieldCaption: Text; OldDate: Date; var NewDate: Date; var Result: Boolean; var IsHandled: Boolean)` (integration)
- `OnBeforeShowItemAvailabilityByEvent(var Item: Record Item; FieldCaption: Text; OldDate: Date; var NewDate: Date; var IncludeForecast: Boolean; var Result: Boolean; var IsHandled: Boolean)` (integration)
- `OnBeforeShowItemAvailabilityByLocation(var Item: Record Item; FieldCaption: Text; OldLocationCode: Code[10]; var NewLocationCode: Code[10]; var Result: Boolean; var IsHandled: Boolean)` (integration)
- `OnBeforeShowItemAvailabilityByUOM(var Item: Record Item; FieldCaption: Text; OldUoMCode: Code[10]; var NewUoMCode: Code[10]; var Result: Boolean; var IsHandled: Boolean)` (integration)
- `OnBeforeShowItemAvailFromItem(var Item: Record Item)` (integration)
- `OnBeforeShowItemAvailabilityFromItemJnlLine(var Item: Record Item; var ItemJnlLine: Record "Item Journal Line"; AvailabilityType: Enum "Item Availability Type")` (integration)
- `OnBeforeShowItemAvailabilityByVariant(var Item: Record Item; FieldCaption: Text; OldVariant: Code[10]; var NewVariant: Code[10]; var Result: Boolean; var IsHandled: Boolean)` (integration)
- `OnCalculateNeedOnAfterCalcGrossRequirement(var Item: Record Item; var GrossRequirement: Decimal)` (integration)
  - subscribers: [Codeunit 6450 "Serv. Integration Mgt."](../codeunit/6450.md) OnCalculateNeedOnAfterCalcGrossRequirement
- `OnCalculateNeedOnAfterCalcScheduledReceipt(var Item: Record Item; var ScheduledReceipt: Decimal; QtyinTransit: Decimal; TransOrdReceiptQty: Decimal)` (integration)
- `OnAfterFilterItem(var Item: Record Item; LocationCode: Code[20]; VariantCode: Code[20]; Date: Date)` (integration)
- `OnBeforeCalculateNeed(var Item: Record Item; var GrossRequirement: Decimal; var PlannedOrderReceipt: Decimal; var ScheduledReceipt: Decimal; var PlannedOrderReleases: Decimal; var IsHandled: Boolean)` (integration)
- `OnShowItemAvailLineListOnAfterItemAvailabilityLineListInit(var Item: Record Item; var ItemAvailabilityLineList: Page "Item Availability Line List")` (integration)
- `OnShowItemAvailabilityFromInvtDocLineOnAvailabilityTypeCaseElse(ItemAvailabilityType: Enum "Item Availability Type"; var Item: Record Item; var InvtDocumentLine: Record "Invt. Document Line")` (integration)
- `OnBeforeShowBOMLevelAbleToMake(FieldCaption: Text; OldDate: Date; var NewDate: Date)` (integration)

## Procedures

- `CalcItemPlanningFields(var Item: Record Item; CalculateTransferQuantities: Boolean)`
- `CalculateNeed(var Item: Record Item; var GrossRequirement: Decimal; var PlannedOrderReceipt: Decimal; var ScheduledReceipt: Decimal; var PlannedOrderReleases: Decimal)`
- `CalcAvailQuantities(var Item: Record Item; IsBalanceAtDate: Boolean; var GrossRequirement: Decimal; var PlannedOrderRcpt: Decimal; var ScheduledRcpt: Decimal; var PlannedOrderReleases: Decimal; var ProjAvailableBalance: Decimal; var ExpectedInventory: Decimal; var QtyAvailable: Decimal)`
- `CalcAvailQuantities(var Item: Record Item; IsBalanceAtDate: Boolean; var GrossRequirement: Decimal; var PlannedOrderRcpt: Decimal; var ScheduledRcpt: Decimal; var PlannedOrderReleases: Decimal; var ProjAvailableBalance: Decimal; var ExpectedInventory: Decimal; var QtyAvailable: Decimal; var AvailableInventory: Decimal)`
- `ShowItemLedgerEntries(var Item: Record Item; NetChange: Boolean)`
- `ShowItemAvailLineList(var Item: Record Item; What: Integer)`
- `ShowItemAvailabilityFromItem(var Item: Record Item; AvailabilityType: Enum "Item Availability Type")`
- `ShowItemAvailabilityFromItemJnlLine(var ItemJnlLine: Record "Item Journal Line"; AvailabilityType: Enum "Item Availability Type")`
- `ShowItemAvailabilityFromInvtDocLine(var InvtDocLine: Record "Invt. Document Line"; AvailabilityType: Enum "Item Availability Type")`
- `ShowItemAvailabilityByEvent(var Item: Record Item; FieldCaption: Text; OldDate: Date; var NewDate: Date; IncludeForecast: Boolean): Boolean`
- `ShowItemAvailabilityByLocation(var Item: Record Item; FieldCaption: Text; OldLocationCode: Code[10]; var NewLocationCode: Code[10]): Boolean`
- `ShowItemAvailabilityByPeriod(var Item: Record Item; FieldCaption: Text; OldDate: Date; var NewDate: Date): Boolean`
- `ShowItemAvailabilityByVariant(var Item: Record Item; FieldCaption: Text; OldVariantCode: Code[10]; var NewVariantCode: Code[10]): Boolean`
- `ShowItemAvailabilityByBOMLevel(var Item: Record Item; FieldCaption: Text; OldDate: Date; var NewDate: Date): Boolean`
- `ShowItemAvailabilityByUOM(var Item: Record Item; FieldCaption: Text; OldUoMCode: Code[10]; var NewUoMCode: Code[10]): Boolean`
- `SetQtyByUnitOfMeasure(NewQtyByUnitOfMeasure: Decimal)`
- `SetForecastName(NewForecastName: Code[10])`
- `FilterItem(var Item: Record Item; LocationCode: Code[20]; VariantCode: Code[20]; Date: Date)`

Plus 3 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 5400 "Available Management"](../codeunit/5400.md) (1 call: `CalcAvailQuantities → ExpectedQtyOnHand`)

## Called by

- [Codeunit 7314 "Warehouse Availability Mgt."](../codeunit/7314.md) (14 calls: `ShowItemAvailabilityFromWhseActivLine → FilterItem`, `ShowItemAvailabilityFromWhseActivLine → ShowItemAvailabilityByBOMLevel`, `ShowItemAvailabilityFromWhseActivLine → ShowItemAvailabilityByEvent`, …)
- [Codeunit 99000874 "Assembly Availability Mgt."](../codeunit/99000874.md) (13 calls: `ShowItemAvailabilityFromAsmHeader → FilterItem`, `ShowItemAvailabilityFromAsmHeader → ShowItemAvailabilityByEvent`, `ShowItemAvailabilityFromAsmHeader → ShowItemAvailabilityByLocation`, …)
- [Codeunit 99000875 "Prod. Order Availability Mgt."](../codeunit/99000875.md) (13 calls: `ShowItemAvailFromProdOrderComp → FilterItem`, `ShowItemAvailFromProdOrderComp → ShowItemAvailabilityByBOMLevel`, `ShowItemAvailFromProdOrderComp → ShowItemAvailabilityByEvent`, …)
- [Codeunit 99000879 "Req. Line Availability Mgt."](../codeunit/99000879.md) (8 calls: `ShowItemAvailabilityFromReqLine → FilterItem`, `ShowItemAvailabilityFromReqLine → SetForecastName`, `ShowItemAvailabilityFromReqLine → ShowItemAvailabilityByBOMLevel`, …)
- [Codeunit 99000887 "Planning Comp. Avail. Mgt."](../codeunit/99000887.md) (8 calls: `ShowItemAvailabilityFromPlanningComp → FilterItem`, `ShowItemAvailabilityFromPlanningComp → SetForecastName`, `ShowItemAvailabilityFromPlanningComp → ShowItemAvailabilityByBOMLevel`, …)
- [Codeunit 1020 "JobJnlManagement"](../codeunit/1020.md) (7 calls: `ShowItemAvailabilityFromJobJournalLines → FilterItem`, `ShowItemAvailabilityFromJobJournalLines → ShowItemAvailabilityByBOMLevel`, `ShowItemAvailabilityFromJobJournalLines → ShowItemAvailabilityByEvent`, …)
- [Codeunit 6452 "Serv. Availability Mgt."](../codeunit/6452.md) (7 calls: `ShowItemAvailabilityFromServLine → FilterItem`, `ShowItemAvailabilityFromServLine → ShowItemAvailabilityByBOMLevel`, `ShowItemAvailabilityFromServLine → ShowItemAvailabilityByEvent`, …)
- [Codeunit 99000871 "Job Planning Availability Mgt."](../codeunit/99000871.md) (7 calls: `ShowItemAvailabilityFromJobPlanningLines → FilterItem`, `ShowItemAvailabilityFromJobPlanningLines → ShowItemAvailabilityByBOMLevel`, `ShowItemAvailabilityFromJobPlanningLines → ShowItemAvailabilityByEvent`, …)
- [Codeunit 99000872 "Sales Availability Mgt."](../codeunit/99000872.md) (7 calls: `ShowItemAvailabilityFromSalesLine → FilterItem`, `ShowItemAvailabilityFromSalesLine → ShowItemAvailabilityByBOMLevel`, `ShowItemAvailabilityFromSalesLine → ShowItemAvailabilityByEvent`, …)
- [Codeunit 99000876 "Transfer Availability Mgt."](../codeunit/99000876.md) (7 calls: `ShowItemAvailabilityFromTransLine → FilterItem`, `ShowItemAvailabilityFromTransLine → ShowItemAvailabilityByBOMLevel`, `ShowItemAvailabilityFromTransLine → ShowItemAvailabilityByEvent`, …)
- [Codeunit 99000973 "Purch. Availability Mgt."](../codeunit/99000973.md) (7 calls: `ShowItemAvailabilityFromPurchLine → FilterItem`, `ShowItemAvailabilityFromPurchLine → ShowItemAvailabilityByBOMLevel`, `ShowItemAvailabilityFromPurchLine → ShowItemAvailabilityByEvent`, …)
- [Page 5417 "Item Avail. by UOM Lines"](../page/5417.md) (3 calls: `CalcAvailQuantities → CalcAvailQuantities`, `ShowItemAvailLineList → SetQtyByUnitOfMeasure`, `ShowItemAvailLineList → ShowItemAvailLineList`)
- [Page 353 "Item Availability Lines"](../page/353.md) (2 calls: `CalcAvailQuantities → CalcAvailQuantities`, `ShowItemAvailLineList → ShowItemAvailLineList`)
- [Page 4410 "SOA Multi Items Availability"](../page/4410.md) (2 calls: `CalcAvailQuantities → CalcAvailQuantities`, `ShowItemAvailLineList → ShowItemAvailLineList`)
- [Page 515 "Item Avail. by Location Lines"](../page/515.md) (2 calls: `CalcAvailQuantities → CalcAvailQuantities`, `ShowItemAvailLineList → ShowItemAvailLineList`)
- [Page 5415 "Item Avail. by Variant Lines"](../page/5415.md) (2 calls: `CalcAvailQuantities → CalcAvailQuantities`, `ShowItemAvailLineList → ShowItemAvailLineList`)
- [Codeunit 4415 "SOA Create Task Impl"](../codeunit/4415.md) (1 call: `CalcItemProjAvailableBalance → CalcAvailQuantities`)
- [Codeunit 4591 "SOA Item Search"](../codeunit/4591.md) (1 call: `IsRequiredQuantityAvailable → CalcAvailQuantities`)
- [Page 5870 "BOM Structure"](../page/5870.md) (1 call: `ShowItemAvailability → ShowItemAvailabilityFromItem`)
- [Page 5871 "Item Availability by BOM Level"](../page/5871.md) (1 call: `ShowItemAvailability → ShowItemAvailabilityFromItem`)
- [Report 5871 "Item - Able to Make (Timeline)"](../report/5871.md) (1 call: `CalcQuantities → CalculateNeed`)

## Across versions

- Present in: BC23-30
- Changed (declaration) in: BC25-26, BC28

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: "Item Availability Forms Mgt")`, then `bcatlas_get_procedure_body` or `bcatlas_get_neighbors` on the returned id.