i host my server on a website gameserverkings and i dont know how i can change or delete some things so how can i give a rank a color in chat so help
mayby there are some commands but i dont know so can mayby somebody tell me where some commands are for plss help

and if i change something in the json file it will not come or show in the server or my clans disapear
and how do i delete the player before your name i cant find it in the file

When you create the group in chat it will save that group to your BetterChat Data folder in BetterChat Groups, you edit that file to get want you want to show in chat *with plugin unloaded
save the file then reload plugin
Here is mine as an example

[
  {
    "GroupName": "default",
    "Priority": 0,
    "Title": {
      "Text": "[]",
      "Color": "#00ffffff",
      "Size": 17,
      "Hidden": true,
      "HiddenIfNotPrimary": true
    },
    "Username": {
      "Color": "#ffff00ff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
    }
  },
  {
    "GroupName": "Noob",
    "Priority": 0,
    "Title": {
      "Text": "[Noob]",
      "Color": "#00ffffff",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#ffff00ff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
    }
  },
  {
    "GroupName": "Newbie",
    "Priority": 0,
    "Title": {
      "Text": "[Newbie]",
      "Color": "#00ffffff",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#ffff00ff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
    }
  },
  {
    "GroupName": "Spaz",
    "Priority": 0,
    "Title": {
      "Text": "[Spaz]",
      "Color": "#00ffffff",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#ffff00ff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
    }
  },
  {
    "GroupName": "Learner",
    "Priority": 0,
    "Title": {
      "Text": "[Learner]",
      "Color": "#00ffffff",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#00ffffff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
    }
  },
  {
    "GroupName": "Provisional",
    "Priority": 0,
    "Title": {
      "Text": "[Provisional]",
      "Color": "#00ffffff",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#00ffffff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
    }
  },
    {
    "GroupName": "MegaMaximus",
    "Priority": 0,
    "Title": {
      "Text": "[MegaMaximus]",
      "Color": "#00ffffff",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#00ffffff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
      }
   },
   { 
    "GroupName": "UltraMaximus",
    "Priority": 0,
    "Title": {
      "Text": "[UltraMaximus]",
      "Color": "#00ffffff",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#00ffffff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
     }
      },
    {
    "GroupName": "SuperMaximus",
    "Priority": 0,
    "Title": {
      "Text": "[SuperMaximus]",
      "Color": "#00ffffff",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#00ffffff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
      }
     },
   { 
    "GroupName": "Hardcase",
    "Priority": 0,  
    "Title": {
      "Text": "[Hardcase]",
      "Color": "#00ffffff",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#00ffffff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
    }
  },
  {
    "GroupName": "Professional",
    "Priority": 0,
    "Title": {
      "Text": "[Professional]",
      "Color": "#00ffffff",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#00ffffff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
    }
  },
{
    "GroupName": "PrimoMaximus",
    "Priority": 0,
    "Title": {
      "Text": "[PrimoMaximus]",
      "Color": "#00ffffff",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#00ffffff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
    }
  },
  {
    "GroupName": "Maximus",
    "Priority": 0,
    "Title": {
      "Text": "[Maximus]",
      "Color": "#00ffffff",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#00ffffff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
    }
  },
  {
    "GroupName": "Player",
    "Priority": 0,
    "Title": {
      "Text": "[Player]",
      "Color": "#00ffffff",
      "Size": 17,
      "Hidden": true,
      "HiddenIfNotPrimary": true
    },
    "Username": {
      "Color": "#00ffffff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
    }
  }
]

and now it worked
im just bad