You can declare a custom constructor on your class, replacing the default zero-parameter constructor.

The simple way to customize the constructor is to add parentheses after your class name and list constructor parameters there.

Unlike function parameters, though, constructor parameters can optionally be marked with var or val, indicating that they are exposed as properties to the rest of your class.

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Classes and Instances Constructor Init-Only Parameters Constructors Formal Constructor Declaration Inheritance and Constructors Init Block Secondary Constructors
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