[RequireComponent(typeof(....))]

When a script must rely on other scripts or components for common use , In order to avoid the operation error of artificial adding process , You can use... In your code RequireComponent, Its function is to add the script , The dependent components will be automatically added to gameobject On , Avoid human error .

example ：

[RequireComponent(typeof(Image))]
public class Person : MonoBehaviour
{
    
}

When loading the script for an object Image Components will be automatically added to the Inspector panel