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# Manually Updating a FICO® Xpress Insight App from the Web Client

You can update the source files of an existing app using the web client. To do this you need a ZIP file containing the app source files that you wish to change.
The ZIP file may be a complete app, or it may instead contain one or more of the following:

- An updated BIM file
- An updated companion file
- New or modified model resources
- New or modified client resources
- New or modified managed Tableau workbooks
- New or modified app attachments

From the Xpress Insight HOME page, click the icon in the top-right corner of application tile and select Upgrade App.

Select your ZIP file when prompted, and then check the notification area at the bottom of the screen for errors or warning messages.
Note: There are some important points to note:

- The updated BIM file must have the same schema as the original BIM file. Changes to the model may not be reflected in your scenarios until you reload them.
- Model parameter values are captured when the scenario is first loaded. If an updated BIM file contains different default values for existing parameters, these will be ignored.
- New or modified Tableau workbooks will not be published unless the ZIP file also includes a companion file which configures the workbooks as `managed=true`. Changes to Tableau workbooks will not take effect for other logged-in users until they log out and log back in.

Parent Topic Development Workflow

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