Allows you to send a message to alliance chat. Expressions do not yet work with this, but can be used along with the Execute command.

An example of how to use Execute with this command as part of your defensive script could be:

• // Alert my alliance with a message like "Help, I have 5 incoming waves to 400,123"
  if (city.NumberOfRealAttacks > 0) execute "alliancechat Help, I have " + city.NumberOfRealAttacks + " incoming waves to " + city.coords

ScriptAccount