Unity3D Enum Flags PropertyDrawer

gistfile1.cs

[CustomPropertyDrawer(typeof(EnumType))]
public class PlayerUnitDrawer : PropertyDrawer
{
	
	public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
	{
		EditorGUI.BeginProperty(position, label, property);
		property.intValue = (int) (EnumType) EditorGUI.EnumMaskField(position, "Property Name", (EnumType)property.intValue);
		EditorGUI.EndProperty();
	}
}