---
id: object/table/99000790
type: object
title: Table 99000790 "Where-Used Line"
summary: Table 99000790 "Where-Used Line" in Base Application (Microsoft.Manufacturing.ProductionBOM). 7 fields. Present since at least BC23, still in BC30, changed in BC24, BC28.
tier: official
language: en
tags:
  - table
  - 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: d4ba1bc35d043eabb2ed17f4b1fcf526c693e6296d585671278830d80051eb70
evidence:
  - kind: code
    url: https://github.com/microsoft/BCApps/blob/ea08af5ef2d6a9b5c5af4a029288abbe2c883220/src/Layers/W1/BaseApp/Manufacturing/ProductionBOM/WhereUsedLine.Table.al
    title: src/Layers/W1/BaseApp/Manufacturing/ProductionBOM/WhereUsedLine.Table.al (releases/29.x)
    date: null
    commit: ea08af5ef2d6a9b5c5af4a029288abbe2c883220
    t: null
    quote: null
links:
  learn: []
  objects: []
  features: []
  topics: []
  localizations: []
  videos: []
  posts: []
  guidelines: []
object_type: table
object_id: 99000790
name: Where-Used Line
namespace: Microsoft.Manufacturing.ProductionBOM
app: Base Application
extends: null
first_version: "23"
last_version: "30"
present_in:
  - "23"
  - "24"
  - "25"
  - "26"
  - "27"
  - "28"
  - "29"
  - "30"
changed_in:
  - "24"
  - "28"
source_major: "29"
obsolete: null
countries: []
ms_search_form_ids: []
counts:
  fields: 7
  procedures: 0
  events: 0
  subscribers: 0
relations:
  out: 2
  referenced_by: 0
  pages: 0
  extended_by: 0
  event_subscribers: 1
  calls: 0
  called_by: 0
  implements: 0
---

# Table 99000790 "Where-Used Line"

> Table 99000790 "Where-Used Line" in Base Application (Microsoft.Manufacturing.ProductionBOM). 7 fields. Present since at least BC23, still in BC30, changed in BC24, BC28.

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

## Properties

| Property | Value |
|---|---|
| Caption | Where-Used Line |
| DataClassification | CustomerContent |

## Fields

Explanation: the field's ToolTip in the code; without one, the ToolTip of a page control bound to the field (marked via the page); without that, its Caption (marked caption) when that differs from the name.

| No. | Name | Type | Explanation | Notes |
|---|---|---|---|---|
| 1 | Entry No. | Integer | — |  |
| 3 | Item No. | Code[20] | Specifies the number of the item that the base item or production BOM is assigned to. | TableRelation [Table 27 "Item"](../table/27.md) |
| 4 | Version Code | Code[20] | Specifies the version code of the production BOM that the item or production BOM component is assigned to. |  |
| 5 | Description | Text[100] | Specifies the description of the item to which the item or production BOM component is assigned. |  |
| 6 | Quantity Needed | Decimal | Specifies the quantity of the item or the production BOM component that is needed for the assigned item. |  |
| 7 | Level Code | Integer | — |  |
| 8 | Production BOM No. | Code[20] | — | TableRelation [Table 99000771 "Production BOM Header"](../table/99000771.md) (Production BOM Header) |

## Keys

- Key1: Entry No. (clustered)

## Trigger event subscribers

- OnBeforeInsertEvent: [Codeunit 99000788 "Mfg. Experience Tier"](../codeunit/99000788.md) BlockInsertWhereUsedLine

## Relations

- Item No.: TableRelation [Table 27 "Item"](../table/27.md)
- Production BOM No.: TableRelation [Table 99000771 "Production BOM Header"](../table/99000771.md)

## Across versions

- Present in: BC23-30
- Changed (declaration) in: BC24, 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). 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: "table", object_name: "Where-Used Line")`, then `bcatlas_get_procedure_body` or `bcatlas_get_neighbors` on the returned id.