> For the complete documentation index, see [llms.txt](https://docs.justransform.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.justransform.com/development/mapper-and-map-chains/map-chains/creating-a-map-chain.md).
# Creating a Map Chain
To create a Map Chain within Justransform, click "**+ New**" within the Map Chain Module.
{% hint style="info" %}
Note: Ensure you have created Mapper Maps and Script Sections prior to creating a Map Chain.
{% endhint %}
1. Drag & Drop a link type from the left into the Development Area
2. Select the Map created in Mapper or Script created in Scripts. Click **Open**.
The Map Chain Development Area has 5 columns
**Pos.:** The position of the JTScript or JTMap in the chain.
**Actions:** The Action column.
**Status:** Provides information about the validity of the JTMap or JTScript.
**Name:** Name of the JTMap or JTScript file as stored in the Resources folder.
**Type:** Tells whether the link type is JTMap or JTScript.
**Content:** Displays the location of the JTMap or JTScript within the Resources folder.
3. Select and Drag the chain links into the correct order. Position 0 is run first.
4. Execute the Map Chain using the **Execute** button.
3. Once completed, click the **Save** icon.
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