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kotlinlang

This is how I do it: <https://codeberg.org/loke/array/src/commit/3c3ab902588f2d2d2561b2c906bc9a2e53ca2c2e/gui/build.gradle#L95>

I added a `mainClass` declaration:
```application {
    mainClass = 'com.dhsdevelopments.kap.gui.Client'
}```

Thanks very much for that, but unfortunately it's not what I'm looking for. You're using the `application` Gradle plugin w/ `kotlin-jvm`, whereas for my project I'm using `kotlin-multiplatform`  and trying to configure the JVM target, instead of using `kotlin-jvm`.
Still, thank you for the response!!

My project is also multiplatform. What I do is to have a dedicated 'jvm main' project that depends on the main one, that provides the main class for the jvm version. I do the same for other backends as well (since the UI is different for each backend anyway)

Right, makes sense. If I can't find a way to configure it with the multiplatform plugin, I'll try out that method, thank you!