Attribute Macro uclass 

#[uclass]

Attribute macro for defining a Rust struct as a UE class.

Example

#[uclass(parent = Actor)]
pub struct MyEnemy {
    #[uproperty(BlueprintReadWrite, default = 100.0)]
    health: f32,

    // Rust-private field (no #[uproperty])
    chase_timer: f64,
}