---
title: "Table 1670 Option Lookup Buffer"
author: "Jonas Paprotka"
url: https://jonas-paprotka.de/ref/table/1670-option-lookup-buffer/
type: table
id: 1670
name: "Option Lookup Buffer"
app: "Base Application"
namespace: Microsoft.Utilities
versions: "17-28"
build: 28.5.54151.54365
source: "https://jonas-paprotka.de/ref/table/1670-option-lookup-buffer/source/29/"
checked: 2026-09-20
subject: "Microsoft Dynamics 365 Business Central"
license: "Content © 2026 Jonas Paprotka. Quote freely with attribution and a link."
---

# Table 1670 Option Lookup Buffer

Jonas Paprotka, https://jonas-paprotka.de/ref/table/1670-option-lookup-buffer/

| | |
| --- | --- |
| App | Base Application |
| Namespace | Microsoft.Utilities |
| Versions | 17-28 |
| Source file | Utilities/OptionLookupBuffer.Table.al |

## Fields

| Id | Name | Type | Versions | Obsolete | Reason |
| --- | --- | --- | --- | --- | --- |
| 1 | ID | Integer | 17-28 | - | - |
| 2 | Option Caption | Text[30] | 17-28 | - | - |
| 3 | Lookup Type | Enum Option Lookup Type | 17-28 | - | - |

## Keys

| Name | Fields | Versions |
| --- | --- | --- |
| Key1, clustered | Option Caption | 17-28 |
| Key2 | ID | 17-28 |

## Procedures

| Name | Parameters | Returns | Access | Versions | Obsolete | Reason |
| --- | --- | --- | --- | --- | --- | --- |
| FillBuffer | (Option) | - | public | 17-20 | Pending 18.0 | Replaced by FillLookupBuffer(). |
| AutoCompleteOption | (var Text[30], Option) | Boolean | public | 17-20 | Pending 18.0 | Replaced by AutoCompleteLookup(). |
| ValidateOption | (Text[30]) | - | public | 17-28 | - | - |
| FormatOption | (FieldRef) | Text[30] | public | 17-28 | - | - |
| SetCurrentType | (Option) | - | public | 17-28 | - | - |
| FillLookupBuffer | (Enum Option Lookup Type) | - | public | 18-28 | - | - |
| AutoCompleteLookup | (var Text[30], Enum Option Lookup Type) | Boolean | public | 18-28 | - | - |

## Events

| Kind | Name | Parameters | Versions | Obsolete | Reason |
| --- | --- | --- | --- | --- | --- |
| Integration event | OnBeforeIncludeOption | (Record Option Lookup Buffer, Option, Integer, var Boolean, var Boolean) | 17-18 | - | - |
| Integration event | OnFillBufferLookupTypeCase | (Enum Option Lookup Type, var Boolean) | 18 | - | - |
| Integration event | OnAutoCompleteOptionLookupTypeCase | (Enum Option Lookup Type, var Text[30]) | 18-19 | - | - |
| Integration event | OnBeforeIncludeOption | (Record Option Lookup Buffer, Option, Integer, var Boolean, var Boolean, RecordRef) | 19-28 | - | - |
| Integration event | OnBeforeFormatOption | (FieldRef, var Text[30], var Boolean) | 19-28 | - | - |
| Integration event | OnCreateNewOnBeforeInsert | (var Record Option Lookup Buffer, Integer, Text[30], Enum Option Lookup Type) | 19-28 | - | - |
| Integration event | OnFillBufferLookupTypeCase | (Enum Option Lookup Type, var Boolean, var Integer, var Integer, var Integer) | 19-28 | - | - |
| Integration event | OnAutoCompleteOptionLookupTypeCase | (Enum Option Lookup Type, var Text[30], var Boolean) | 20-28 | - | - |

## 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.