---
title: "Table 1265 Data Exch. Field Mapping Buf."
author: "Jonas Paprotka"
url: https://jonas-paprotka.de/ref/table/1265-data-exch-field-mapping-buf/
type: table
id: 1265
name: "Data Exch. Field Mapping Buf."
app: "Base Application"
namespace: System.IO
versions: "17-28"
build: 28.5.54151.54365
source: "https://jonas-paprotka.de/ref/table/1265-data-exch-field-mapping-buf/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 1265 Data Exch. Field Mapping Buf.

Jonas Paprotka, https://jonas-paprotka.de/ref/table/1265-data-exch-field-mapping-buf/

| | |
| --- | --- |
| App | Base Application |
| Namespace | System.IO |
| Versions | 17-28 |
| Source file | System/DataExchange/DataExchFieldMappingBuf.Table.al |

## Fields

| Id | Name | Type | Versions | Obsolete | Reason |
| --- | --- | --- | --- | --- | --- |
| 1 | Data Exchange Def Code | Code[20] | 17-28 | - | - |
| 2 | Data Exchange Line Def Code | Code[20] | 17-28 | - | - |
| 3 | Table ID | Integer | 17-28 | - | - |
| 4 | Column No. | Integer | 17-28 | - | - |
| 5 | Type | Option | 17-28 | - | - |
| 10 | Field ID | Integer | 17-28 | - | - |
| 11 | Default Value | Text[250] | 17-28 | - | - |
| 13 | Source | Text[250] | 17-28 | - | - |
| 20 | Caption | Text[250] | 17-28 | - | - |
| 22 | Depth | Integer | 17-28 | - | - |
| 23 | Transformation Rule | Code[20] | 17-28 | - | - |

## Keys

| Name | Fields | Versions |
| --- | --- | --- |
| Key1, clustered | Data Exchange Def Code, Data Exchange Line Def Code, Field ID, Table ID | 17-28 |

## Procedures

| Name | Parameters | Returns | Access | Versions | Obsolete | Reason |
| --- | --- | --- | --- | --- | --- | --- |
| InsertFromDataExchDefinition | (var Record Data Exch. Field Mapping Buf., Record Data Exch. Def, var Record Field) | - | public | 17-28 | - | - |
| InsertFromDataExchDefinitionLine | (var Record Data Exch. Field Mapping Buf., Record Data Exch. Line Def, var Record Field, Integer) | - | public | 17-28 | - | - |
| InsertFieldMappingDefinition | (var Record Data Exch. Field Mapping Buf., Record Data Exch. Mapping, Integer) | - | public | 17-28 | - | - |
| InsertSuggestedFields | (var Record Data Exch. Field Mapping Buf., Record Data Exch. Mapping, var Record Field, Integer) | - | public | 17-28 | - | - |
| InsertFieldMappingLineDefinition | (var Record Data Exch. Field Mapping Buf., Record Data Exch. Mapping, Record Data Exch. Field Mapping, Integer) | - | public | 17-28 | - | - |
| SourceAssistEdit | (var Record XML Buffer) | - | public | 17-28 | - | - |
| CaptionAssistEdit | () | - | public | 17-28 | - | - |

## 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.