Bukkit

• prefix: The message shown in front of all other messages
• wand id: The item used to make selections - default is a music disc
• round length: Time for the rounds to last (in seconds)
• time until start: Time to wait after enough players have joined
• players until start: How many players need to join before the game can start
• plant to zombie ratio: How many plants there are compared to how many zombies there are
• inventory: The inventory displayed with /pvz join - options are pretty self-explanatory
• type inventory: The inventory displayed with /pvz type - also self-explanatory

You can colour your messages using minecraft colour codes like &a and &4. Go here for a full list.

• no permission: '&4No permission!'
• upgrade: '&4You cannot be this type. &2Upgrade &4to gain access to it!'
• no command found: '&4Command not recognized!'
• block 1 set: '&2Block 1 set.'
• block 2 set: '&2Block 2 set.'
• wand given: '&2Right and left click to set your first and second points.'
• no farm given: '&4You forgot to give a name to your farm! &2/pvz create <name>.'
• selection not set properly: '&4Both points need to be selected and in the same world.'
• name taken: '&4There is already a farm with that name.'
• farm created: '&2Farm created! You can now use &5/pvz add <farm> &2to create a row from your wand selection.'
• row created: '&2Row number <row> created! Use &5/pvz set <farm> <row> zombie|plant &2to set the spawn point for zombies/plants in row <row>.'
• now row given: '&4You did not specify a row number.'
• which team: '&4You did not specify which team to set the spawn for. Use &8/pvz set <farm> <row> zombie &4or &8/pvz set <farm> <row> plant.'
• row not a number: '<number> &4is not a number.'
• no row found: '&4Row number &f<number> &4does not exist.'
• no team found: '&4The team <team> could not be found. Use &8/pvz setspawn <farm> <row> zombie &4or &8/pvz set <farm> <row> plant.'
• row set plant: '&2The spawn for plants on row number <row> on farm <farm> has been set.'
• row set zombie: '&2The spawn for zombies on row number <row> on farm <farm> has been set.'
• no farm specified: '&4You did not specify which farm you would like to use.'
• no farm exists: '&4The farm you gave does not exist.'
• joined plant team: '&fYou have joined the &2&lPlant Team&r.'
• joined zombie team: '&fYou have joined the &4&lZombie Team&r.'
• already in game: '&4You are already in another game. Please leave before trying to join a new one.'
• starts in: 'The game starts in &4<time> &fseconds.'
• plants won: '&fThe &2&lPlant Team&r has won!'
• zombies won: '&fThe &4&lZombie Team&r has won!'
• respawn: 'You will respawn in &4&l20&r seconds.'
• endpoint set: '&2Endpoint set!'
• game already started: '&4That game has already started.'
• type changed: '&2You have changed your type.'
• not right team: '&4You are not on a team that can become this type.'
• not in a game: '&4You must be in a game to do this.'
• game already started: '&4The game has already started. You cannot change your type now.'
• left: '&2You are no longer in any game.'