Script

Attribute

RequireComponent

When attached the script which has this attribute to some object, automatically add required component. (It is no meaning, to add this Attribute to already attached script)

[RequireComponent(typeof(AutomaticallyAddedComponent))]
public class AttachingScript: MonoBehaviour {
...

Change Appearance

Just change the appearance of Inspcetor.

public class SomeScript: MonoBehaviour {
    [Header("Start Header Here")]
    public int someValue1;
    [Space]
    public int someValue2;
    [Space]
    [Space]
    public int someValue3;
...

Hide/Show value

Hide public value and show private value.

public class SomeScript: MonoBehaviour {
    [HideInInspector]
    public int hiddenValue;

    [SerializeField]
    private int dispValue;
...