Best Practices for Developing Solutions > Packaging and Deploying Solutions Built on the ThingWorx Platform > Path B: Packaging and Deploying Solutions as Extensions > Best Practices for Packaging and Deploying ThingWorx Solutions > Importing Existing Extensions
Importing Existing Extensions
To import an existing extension into the plugin, do the following:
1. In Eclipse, make sure you are in the ThingWorx Extension perspective. To do so, choose Window > Perspective > Open Perspective > ThingWorx Extension.
2. Choose File > Import.
3. On the Import screen, choose ThingWorx > Extension Project and click Next.
4. Browse to and select your extension zip file.
5. Select the latest Thingworx-Extension-SDK-[version]–latest.zip file and click Finish.
Your project appears in the Package Explorer.
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If you want to update the existing source code, you must import the source files into the Eclipse project.
6. To view and edit the properties for your project, right-click your project folder in the Package Explorer and choose Properties.
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