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 # launchComponentPlugIn

 Last update: 16.07.2025 

public [launchComponentPlugIn](launch-component-plug-in.md)(mcStream: [Long](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-long/index.html), jarFile: [String](https://docs.oracle.com/javase/8/docs/api/java/lang/String.html), className: [String](https://docs.oracle.com/javase/8/docs/api/java/lang/String.html), atmStream: [Long](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-long/index.html)): [IComponentPlugIn](../../com.phoenix_int.ModelCenter/-i-component-plug-in/index.md)

Construct an instance of the specified Component PlugIn class.

#### Return

the plugin object, which will have had [construct](../../com.phoenix_int.ModelCenter/-i-component-plug-in/construct.md) called

#### Parameters

mcStreamthe IDispatch for the ModelCenter objectjarFilethe path to the JAR file containing the classclassNamethe fully-qualified classname of the class to loadatmStreamthe IDispatch for the AddToModel object#### Throws

[Exception](https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html)on error; the type is determined by the type of failure