clients :
  # These serve as keys. You can add as many clients as you like.
  vanilla :
    # This are the client-brands that will be matched with players when they join the server. E.g. Players that join
    # with the vanilla client brand will be matched to the vanilla client.
    brands :
     - "vanilla"
    # These are actions which can be taken when a player using this client joins the server.
    join:
      permissions:
        enabled : false
        list :
         - "badge.vanilla"
  lunar :
    # Some clients register a specific plugin messaging channel, so we can use that to 100% detect if the player is
    # using an authentic client.
    channel : "lunarclient:pm"
    join:
      permissions:
        enabled : true
        list :
         - "badge.lunar"
      commands:
        enabled : true
        list :
         - "lp user {user} parent add lunar"
      messages:
        enabled : true
        list :
         - "{prefix} &aYou have joined with Lunar"
    leave:
      commands:
        enabled : true
        list :
         - "lp user {user} parent remove lunar"
  # You can list more than 1 client brands if there are multiple versions of the same client.
  forge:
    brands :
   - "forge"
    - "fml"
    channel : "FML"
    join:
      permissions:
        enabled : true
        list :
         - "badge.forge"
      commands:
        enabled : true
        list :
         - "lp user {user} parent add forge"
      messages:
        enabled : true
        list :
         - "{prefix} &aYou have joined with Forge"
    leave:
      commands:
        enabled : true
        list :
         - "lp user {user} parent remove forge"
  # If you want to group clients together, you can also do that.
  sussyclients:
    brands :
     - "solarclient"
      - "fabric"
      - "lunarclient:5373836"
    join:
      permissions:
        enabled : true
        list :
         - "badge.sussy"
      commands:
        enabled : true
        list :
         - "lp user {user} parent add sus"
      messages:
        enabled : true
        list :
         - "{prefix} &cYou have joined with a sussy client"
    leave:
      commands:
        enabled : true
        list :
         - "lp user {user} parent remove sus"
  # This is an example of what you can add
  client-etc:
    brands :
     - "clientbrand1"
      - "clientbrand2"
    join:
      permissions:
        enabled : false
        list :
         - "badge.otherclient"
      commands:
        enabled : false
        list :
         - "lp user {user} parent add other"
      messages:
        enabled : false
        list :
         - "{prefix} &cYou have joined with {clientname}"

https://repo.destial.xyz/repository/maven-releases

<dependency>
    <groupId>xyz.destiall</groupId>
    <artifactId>clientchecker</artifactId>
    <version>1.2</version>
    <scope>provided</scope>
</dependency>

// Access the api via casting the plugin
ClientCheckerAPI api = (ClientCheckerAPI ) Bukkit. getPluginManager ( ). getPlugin ( "ClientChecker" ) ;
ClientUser user = api. getUser (player ) ;
Client client = api. getClient (client ) ;

user. getPlayer ( ) // Get the Bukkit player
user. getClientBrand ( ) // Get the player's client brand
user. getVersion ( ) // Get the version of the player (E.g. 1.8, 1.17)
user. getId ( ) // Get the UUID of this player
user. getClient ( ) ; // Get the current client of this player

client. getBrands ( ) // Get the brands affiliated with this client
client. getChannel ( ) // Get the plugin messaging channel linked to this client (can be null)
client. hasBrand (string ) // Check if this client is associated with the given brand string
client. addPermission (string ) // Add a join permission for this client
client. addCommand (string ) // Add a join command for this client
client. addMessage (string ) // Add a join message for this client
client. addLeaveCommand (string ) // Add a leave command for this client