Making new action maps not working

I'm trying to create 2 modes of combat for my project. Mode 1, players can only use guns (first person view only); Mode 2, players can only use melee weapons (third person view only).

Now in default.bind.cs, I have made this function,

function CombatMode(%val)
{
   echo("Combat Mode Activing...");
   commandToServer('CombatMode');
}

moveMap.bind( keyboard, tab, CombatMode );

In commands.cs (server)

function serverCmdCombatMode(%client)
{
   moveMap.pop();
   combatMap.push();  
   
   ServerConnection.setFirstPerson(false);
}

Now they works fine but when testing that out in multiplayer that only works on the server. So then I changed the script in commands.cs to read

function serverCmdCombatMode(%client)
{
   //moveMap.pop();
   //combatMap.push();  
  
   //ServerConnection.setFirstPerson(false);
   
   commandToClient(%client, 'ChangeToCombat');
}

Then made a new function on the client like this.

function ChangeToCombat()
{
   echo("Combat Mode... Actived!");
   moveMap.pop();
   combatMap.push();
}

Then I test that out and get this in the console

clientCmdChangeToCombat: Unknown command.

Also what can I do to make the clients view change as well.