applicationPackaging created the topic: What is MSI Script?
MSI Script™ contains the sequences of actions that make up an installation. The action sequences are pre-defined following the Windows Installer guidelines for creating sequences. The actions are in the recommended order, and, where appropriate, conditions are set. It is recommended that we should not delete or move any standard actions.

The existing action sequences are sufficient for most installations. If you need specialized functionality not offered by Windows Installer, you can add custom actions to an installation. With custom actions, you can call .EXEs, .DLLs, WiseScripts, JScripts, and VBScripts. You can set installation properties and directories and call nested .MSI files. You can also perform many other functions such as launching a Web page or downloading a file from a Web site

Rajesh Kumar

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