---
id: object/pageextension/31243-cz
type: object
title: Page extension 31243 "Data Exch Field Mapp. Part CZA" (CZ)
summary: Page extension 31243 "Data Exch Field Mapp. Part CZA" (CZ) in the CZ country layer (System.IO), extends "Data Exch Field Mapping Part". Introduced in BC29, still in BC30.
tier: official
language: en
tags:
  - pageextension
  - cz layer
versions:
  introduced: "29"
  last_changed: null
  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: 5f7bbe3b85fd0dc8fd95f1cb65fcc1b51b9b32732e3633c675b85f6e8f44407b
evidence:
  - kind: code
    url: https://github.com/microsoft/BCApps/blob/ea08af5ef2d6a9b5c5af4a029288abbe2c883220/src/Apps/CZ/AdvancedLocalizationPack/app/Src/PageExtensions/DataExchFieldMappPartCZA.PageExt.al
    title: src/Apps/CZ/AdvancedLocalizationPack/app/Src/PageExtensions/DataExchFieldMappPartCZA.PageExt.al (releases/29.x)
    date: null
    commit: ea08af5ef2d6a9b5c5af4a029288abbe2c883220
    t: null
    quote: null
links:
  learn: []
  objects: []
  features: []
  topics: []
  localizations:
    - localization/cz
  videos: []
  posts: []
  guidelines: []
object_type: pageextension
object_id: 31243
name: Data Exch Field Mapp. Part CZA
namespace: System.IO
app: AdvancedLocalizationPack
extends: Data Exch Field Mapping Part
first_version: "29"
last_version: "30"
present_in:
  - "29"
  - "30"
changed_in: []
source_major: "29"
obsolete: null
countries: []
ms_search_form_ids: []
country: CZ
counts:
  fields: 0
  procedures: 0
  events: 0
  subscribers: 0
  controls: 1
  actions: 0
relations:
  out: 0
  referenced_by: 0
  pages: 0
  extended_by: 0
  event_subscribers: 0
---

# Page extension 31243 "Data Exch Field Mapp. Part CZA" (CZ)

> Page extension 31243 "Data Exch Field Mapp. Part CZA" (CZ) in the CZ country layer (System.IO), extends "Data Exch Field Mapping Part". Introduced in BC29, still in BC30.

CZ country layer · System.IO · BC29-30 · [source at ea08af5e](https://github.com/microsoft/BCApps/blob/ea08af5ef2d6a9b5c5af4a029288abbe2c883220/src/Apps/CZ/AdvancedLocalizationPack/app/Src/PageExtensions/DataExchFieldMappPartCZA.PageExt.al) · facts from BC29

An object of the [CZ localization](../../localizations/cz.md), not part of W1.

## Fields on this page

Layout controls in source order, grouped by the container they sit in. Shows: the table field a control is bound to (or its expression as written); ToolTip: the control's own, else the bound field's (marked).

| Group | Control | Shows | ToolTip |
|---|---|---|---|
| addlast(Group) | Date Formula_CZA | `Rec."Date Formula CZA"` | Specifies the Date formula for calculating the resulting date |

## Across versions

- Present in: BC29-30
- Changed (declaration) in: none

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: "pageextension", object_name: "Data Exch Field Mapp. Part CZA")`, then `bcatlas_get_procedure_body` or `bcatlas_get_neighbors` on the returned id.

A CZ country object, not part of W1: the default corpus does not have it; `bcatlas_list_countries` shows which countries the atlas has.