Environment Variable Fixup
MSIX does not support new and changes environment variables inside a package. The Environment Variables Fixup allows to specify an application-specific scope environment variable to be read or modified by application in an MSIX package.
To add a Environment Variable Fixup, perform the following steps:
To add Environment Variable Fixup:
| 1. | Select an application in the Applications node, click the Apply button in the MSIX Editor ribbon, and then select Environment Variable Fixup from the menu. | 
Note:You could also select an application, right click, and select Environment Variable Fixup from the context menu.
The Environment Variable Fixup Configuration view opens.
                                             
                                        
| 2. | Enter the following information: | 
| Property | Description | 
| Executable | This property displays the executable that will be invoked when the application is launched. This is a non-editable property. | 
| Working Directory | This property displays the working directory of the application. This is a non-editable property. | 
| Environment Variable | Specify environment variable name. This is a mandatory property. | 
| Value | Specify the value for the configured environment variable. This is a mandatory property. | 
| Fetch value of the specified Environment Variable from package registry | If you select this check box, value of the provided environment variable will be fetched from the system registry. | 
| 3. | After adding the above fields, click Update button. | 
| 4. | Click Save or Save As in the ribbon for the change to take effect. |