diff --git a/core b/core
index a206268..0d8a88e 100644
Binary files a/core and b/core differ
diff --git a/src/main.rs b/src/main.rs
index cdbd128..6ec7b7c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -6,7 +6,7 @@ use std::fs::File;
 use std::io::Read;
 
 // use lazy_static::lazy_static;
-use serenity::all::{ComponentInteraction, ComponentInteractionDataKind, CreateInteractionResponse, CreateInteractionResponseMessage, Interaction};
+use serenity::all::{ComponentInteraction, ComponentInteractionDataKind, CreateInteractionResponse, CreateInteractionResponseMessage, Interaction, Member, ChannelId};
 use serenity::{async_trait, json};
 use serenity::model::channel::Message;
 use serenity::model::event::Event;
@@ -55,16 +55,27 @@ impl EventHandler for Handler {
                 println!("unknown command {command_with_exclam:?}");
             }
         }
-        if ["hello", "hi", "bonjour", "hola", "halo"]
+        /*if ["hello", "hi", "bonjour", "hola", "halo"]
             .iter()
                 .any(|&s| msg.content.to_lowercase().contains(s))
                 {
                     if let Err(why) = msg.react(ctx, '👋').await {
                         println!("Error reacting message {why:?}");
                     }
-                }
+                }*/
     }
-    async fn guild_m
+    async fn guild_member_addition(&self, ctx:Context, member:Member){
+        if(member.guild_id==311740453009620992){
+            let user_id = member.user.id.get();
+            let message:String= format!("Hey <@{user_id:?}>, welcome to **FIRST® Global Challenge**:tada:!\
+                Don't forget to read rules in <#1237390656918392964> and to tell your country,\
+                status and name in <#311817158050971649>! (i.g. team your country, student/mentor, your name)");
+            if let Err(why) = ChannelId::new(312262443000659969).say(&ctx.http, message).await{
+                println!("Error sending message : {why:?}");
+            }
+        }
+    }
+
     async fn interaction_create(&self, ctx: Context, interaction: Interaction){
         
         if let Interaction::Component(comp) = interaction{