example event

public event Action<string> onPlayerNameUpdate = (name) => {Debug.Log("player name was changed! "+ mPlayerName)}

public event Action<string> WhenPlayerNameUpdate
{
  add
	{
       if(!string.isNullOrEmpty(m_playerName)
       value(m_playerName);
      onPlayerNameUpdate += value;
    }
remove
{
onPlayerNameUpdate -= value;

}
}