Export a DMN Diagram as XML
How to export a DMN 1.2 diagram as an XML file to exchange it between multiple workspaces.
With this function, you can export a DMN 1.2 diagram as an XML file from the explorer.
The DMN 1.2 standard includes an XML notation. This notation enables the platform-independent exchange of DMN 1.2 diagrams. For more information about this XML standard or the DMN 1.2 specifications, go to https://www.omg.org/spec/DMN/1.2
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To export diagrams, follow these steps:
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In the explorer, select the diagram you want to export.
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In the toolbar, choose
Import / Export 
Export DMN 1.2 XML
.The export file is created and prepared for download.
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To download the export file, select the link Click here to download the XML file.
The file is saved to your browser's download folder.
The file extension of the exported diagram is DMN.
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Confirm with OK.
The export is complete.
Permitted element names
Names of all elements in the exported file, like decisions, inputs, or input items, can only contain alphanumeric characters (a-z, 0-9).
Other characters are automatically removed, for example underscores (_) and dashes (-).
If the removal of characters would create a duplicate name, a number is appended to the new name.
Customize the export
If dictionary entries are used as data input objects, you can add export names. This way, you can provide domain-specific vocabulary when executing the exported XML file.
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To add an export name, specify a technical name for the dictionary entry.
The field Technical name is not available by default in the dictionary. An administrator must enable the use for data modeling for the respective dictionary category. Read more in section Managing input and output data for DMN Data Input elements.
The technical name is only used when exporting a DMN diagram as XML. In SAP Signavio Process Manager and SAP Signavio Process Collaboration Hub, the standard dictionary name is always used.
The rules for permitted element names also apply to the Technical name.