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kotlinlang

is there an `./amper` equivalent to `./gradlew jvmRun --mainClass=&lt;...&gt;`

There is `./amper run -m &lt;module-name&gt;`, which allows you to run the (only) application from the given module. Since Amper doesn't allow multiple apps in the same module, this should cover your needs. If the auto-detected main class is not enough (or doesn't find your main class), you can specify it explicitly in your module file:
```settings:
  jvm:
    mainClass: com.example.MyMain```

That said, there is no way to override the main class via a CLI argument for now. If the module-based approach doesn't work for you, could you please share a bit more about your use case?