hey there so im using the quests plugin and trying to reward players for killing other players im just not sure if i have used the right coding any input would be great thanks 

"Kill": {
"Kill 12 Players": {
"QuestName": "kill 12 Players",
"Description": "Kill 12 other Players ;)",
"Objective": "BasePlayer",
"ObjectiveName": "BasePlayer",
"AmountRequired": 12,
"Cooldown": 1440,
"ItemDeduction": false,
"Rewards": [