---
alias: user-guide-update-substrate-map-overlay
tags:
  - mapping
description: "Update a Substrate Map Overlay version"
---

# Update Substrate Map Overlay

:lock: SubstrateMap.**UpdateOverlay**

:lock: SubstrateMap.**UpdateOverlayState**

## Overview

This operation is used to update a new **Substrate Map** Overlay version.

## Preconditions

* The **Substrate Map** exists and is Active in the system.
* The Substrate Map Overlay must exist in the system and the type must be Bin Code Map.

## Setup

No specific setup is required other than to meet the preconditions of the transaction.  

## Sequence of Steps

The **Update Overlay** wizard can be called from the **Substrate Map** page within the Business Data Group. In **Views**, select **Content**, select an Overlay of type `BinCodeMap`, and then select the **Update Overlay** button on the top ribbon.

1. Configure the optional settings for the Overlay:

      * **Synchronize Quantity** - enables synchronization of the **Substrate Map** Overlay with the **Material** quantity. For more information, see [[user-guide-set-material-substrate-map]]. If enabled, [[user-guide-create-substrate-map-overlay#step-2-synchronization|Step 2: Synchronization]] will be available.

        !!! note
            You can define the default value for the Synchronize Quantity by editing the entry Context = `SubstrateMap.UpdateOverlay` for the Element = `Synchronize` in the [[guielementdefaultvalue-gt]] Generic Table.

2. Optionally, update the following information:

    * **Facility** - choose a Facility for the existing Overlay.
    * **Step** - choose a Step for the existing Overlay.
    * **Resource** - choose a Resource for the existing Overlay.
    * **Class** - add a Class for the existing Overlay.
    * **Creation Date** - choose a creation date for the existing Overlay.

![Update substrate map overlay](images/update_substrate_map_overlay.png)