diff --git a/src/main/java/fr/lirmm/aren/model/User.java b/src/main/java/fr/lirmm/aren/model/User.java
index 9a7c960..e0312a7 100644
--- a/src/main/java/fr/lirmm/aren/model/User.java
+++ b/src/main/java/fr/lirmm/aren/model/User.java
@@ -25,6 +25,8 @@ import java.time.ZonedDateTime;
 import java.time.temporal.ChronoUnit;
 
 import javax.persistence.JoinTable;
+
+import fr.lirmm.aren.model.vm.VMTeam;
 import org.hibernate.annotations.Filter;
 import org.hibernate.annotations.Filters;
 import org.hibernate.annotations.SortNatural;
@@ -135,6 +137,15 @@ public class User extends AbstractEntEntity implements Serializable {
     @SortNatural
     private SortedSet<Team> teams = new TreeSet<>();
 
+    @JoinTable(name = "vm_teams_users",
+            joinColumns = {
+                    @JoinColumn(name = "user_id", referencedColumnName = "id")},
+            inverseJoinColumns = {
+                    @JoinColumn(name = "team_id", referencedColumnName = "id")})
+    @ManyToMany
+    @SortNatural
+    private SortedSet<VMTeam> vmTeams = new TreeSet<>();
+
     @OneToMany(mappedBy = "owner")
     @SortNatural
     private SortedSet<Notification> notifications = new TreeSet<>();
@@ -372,6 +383,40 @@ public class User extends AbstractEntEntity implements Serializable {
         team.getUsers().remove(this);
     }
 
+    /**
+     *
+     * @return
+     */
+    public SortedSet<VMTeam> getVmTeams() {
+        return vmTeams;
+    }
+
+    /**
+     *
+     * @param vmTeams
+     */
+    public void setVmTeams(SortedSet<VMTeam> vmTeams) {
+        this.vmTeams = vmTeams;
+    }
+
+    /**
+     *
+     * @param team
+     */
+    public void addMember(VMTeam team) {
+        vmTeams.add(team);
+        team.getMembers().add(this);
+    }
+
+    /**
+     *
+     * @param team
+     */
+    public void removeMember(VMTeam team) {
+        vmTeams.remove(team);
+        team.getMembers().remove(this);
+    }
+
     /**
      *
      * @return
diff --git a/src/main/java/fr/lirmm/aren/model/vm/VMTeam.java b/src/main/java/fr/lirmm/aren/model/vm/VMTeam.java
new file mode 100644
index 0000000..4a58ace
--- /dev/null
+++ b/src/main/java/fr/lirmm/aren/model/vm/VMTeam.java
@@ -0,0 +1,81 @@
+package fr.lirmm.aren.model.vm;
+
+import com.fasterxml.jackson.annotation.JsonIdentityInfo;
+import com.fasterxml.jackson.annotation.ObjectIdGenerators;
+import fr.lirmm.aren.model.AbstractEntity;
+import fr.lirmm.aren.model.User;
+import org.hibernate.annotations.SortNatural;
+import org.hibernate.annotations.Where;
+
+import javax.persistence.*;
+import javax.validation.constraints.Size;
+import java.io.Serializable;
+import java.util.SortedSet;
+import java.util.TreeSet;
+
+/**
+ * @author ANDRIAMBOLAHARIMIHANTA Havana on 11/07/2021
+ * @project aren-1
+ */
+@Entity
+@Table(name = "vm_teams")
+@JsonIdentityInfo(generator = ObjectIdGenerators.PropertyGenerator.class, property = "id", scope = VMTheme.class)
+public class VMTeam extends AbstractEntity implements Serializable {
+    @Size(max = 255)
+    @Column(name = "name")
+    private String name;
+
+    @ManyToMany(mappedBy = "vmTeams")
+    @SortNatural
+    private SortedSet<User> members = new TreeSet<>();
+
+    /**
+     *
+     * @return
+     */
+    public String getName() {
+        return name;
+    }
+
+    /**
+     *
+     * @param name
+     */
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    /**
+     *
+     * @return
+     */
+    public SortedSet<User> getMembers() {
+        return members;
+    }
+
+    /**
+     *
+     * @param members
+     */
+    public void setMembers(SortedSet<User> members) {
+        this.members = members;
+    }
+
+    /**
+     *
+     * @param user
+     */
+    public void addUser(User user) {
+        this.members.add(user);
+        user.getVmTeams().add(this);
+    }
+
+    /**
+     *
+     * @param user
+     */
+    public void removeUser(User user) {
+        this.members.remove(user);
+        user.getVmTeams().remove(this);
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/fr/lirmm/aren/model/vm/VMTheme.java b/src/main/java/fr/lirmm/aren/model/vm/VMTheme.java
index 7befdfa..bf0dfc6 100644
--- a/src/main/java/fr/lirmm/aren/model/vm/VMTheme.java
+++ b/src/main/java/fr/lirmm/aren/model/vm/VMTheme.java
@@ -29,6 +29,9 @@ public class VMTheme extends AbstractEntity implements Serializable {
     @ManyToOne
     private User author;
 
+    @JoinColumn(name = "team", referencedColumnName = "id")
+    @ManyToOne
+    private VMTeam team;
 
     @Size(max = 255)
     @Column(name = "title")
@@ -64,6 +67,22 @@ public class VMTheme extends AbstractEntity implements Serializable {
         this.author = author;
     }
 
+    /**
+     *
+     * @return
+     */
+    public VMTeam getTeam() {
+        return team;
+    }
+
+    /**
+     *
+     * @param team
+     */
+    public void setTeam(VMTeam team) {
+        this.team = team;
+    }
+
     /**
      *
      * @return
diff --git a/src/main/java/fr/lirmm/aren/service/vm/VMTeamService.java b/src/main/java/fr/lirmm/aren/service/vm/VMTeamService.java
new file mode 100644
index 0000000..fe6f6b8
--- /dev/null
+++ b/src/main/java/fr/lirmm/aren/service/vm/VMTeamService.java
@@ -0,0 +1,94 @@
+package fr.lirmm.aren.service.vm;
+
+import fr.lirmm.aren.model.Debate;
+import fr.lirmm.aren.model.Team;
+import fr.lirmm.aren.model.vm.VMTeam;
+import fr.lirmm.aren.service.AbstractService;
+
+import javax.enterprise.context.ApplicationScoped;
+import javax.persistence.TypedQuery;
+import javax.ws.rs.NotFoundException;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+/**
+ * @author ANDRIAMBOLAHARIMIHANTA Havana on 11/07/2021
+ * @project aren-1
+ */
+@ApplicationScoped
+public class VMTeamService extends AbstractService<VMTeam> {
+    /**
+     *
+     */
+    public VMTeamService(){
+        super(VMTeam.class) ;
+    }
+
+    /**
+     *
+     * @param teamId
+     * @return
+     */
+    private TypedQuery<VMTeam> generateQuery(Long teamId){
+        TypedQuery<VMTeam> query = getEntityManager().createQuery("SELECT vmt "
+                        +"FROM VMTeam vmt "
+                        +"LEFT JOIN FETCH vmt.members m "
+                        + (teamId != null
+                        ? "WHERE vmt.id = :teamId "
+                        : "WHERE vmt.id IS NOT NULL ")
+                , VMTeam.class
+        ) ;
+        if (teamId != null) {
+            query.setParameter("teamId", teamId);
+        }
+        return query ;
+    }
+
+    /**
+     *
+     * @return
+     */
+    public Set<VMTeam> findAll() {
+        return new HashSet<VMTeam>(generateQuery(null).getResultList());
+    }
+
+    /**
+     *
+     * @param team
+     */
+    @Override
+    public void edit(VMTeam team) {
+        super.edit(team);
+    }
+
+    @Override
+    public VMTeam insert(VMTeam team) {
+        return super.insert(team) ;
+    }
+
+    /**
+     *
+     * @param teamId
+     * @return
+     */
+    public VMTeam find(Long teamId) {
+        List<VMTeam> teams = generateQuery(teamId).getResultList();
+        if (teams.isEmpty()) {
+            throw new NotFoundException();
+        }
+        return teams.get(0);
+    }
+
+    public void updateExternaleTables(VMTeam team) {
+        super.transactionBegin();
+        team.getMembers().forEach(member->{
+            System.out.println(team.getId()+" --- "+member.getId());
+            getEntityManager().createNativeQuery("INSERT INTO vm_teams_users(vmteam_id,members_id) VALUES(?,?) ")
+                    .setParameter(1, team.getId())
+                    .setParameter(2, member.getId())
+                    .executeUpdate();
+            super.commit();
+        });
+    }
+}
diff --git a/src/main/java/fr/lirmm/aren/ws/rest/VMTeamRESTFacade.java b/src/main/java/fr/lirmm/aren/ws/rest/VMTeamRESTFacade.java
new file mode 100644
index 0000000..04af0ad
--- /dev/null
+++ b/src/main/java/fr/lirmm/aren/ws/rest/VMTeamRESTFacade.java
@@ -0,0 +1,90 @@
+package fr.lirmm.aren.ws.rest;
+
+import fr.lirmm.aren.model.Team;
+import fr.lirmm.aren.model.User;
+import fr.lirmm.aren.model.vm.VMTeam;
+import fr.lirmm.aren.service.UserService;
+import fr.lirmm.aren.service.vm.VMTeamService;
+
+import javax.annotation.security.PermitAll;
+import javax.annotation.security.RolesAllowed;
+import javax.enterprise.context.RequestScoped;
+import javax.inject.Inject;
+import javax.ws.rs.PUT;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import java.util.Set;
+import java.util.SortedSet;
+
+/**
+ * @author ANDRIAMBOLAHARIMIHANTA Havana on 11/07/2021
+ * @project aren-1
+ */
+@RequestScoped
+@Path("vm/teams")
+public class VMTeamRESTFacade extends AbstractRESTFacade<VMTeam>{
+    @Inject
+    VMTeamService teamService ;
+
+    @Inject
+    UserService userService ;
+
+    /**
+     *
+     * @return
+     */
+    @Override
+    protected VMTeamService getService(){
+        return teamService ;
+    }
+
+    /**
+     *
+     * @param team
+     * @return
+     */
+    @Override
+    @PermitAll
+    public VMTeam create(VMTeam team){
+        SortedSet<User> members=team.getMembers() ;
+        VMTeam teamRes= teamService.insert(team) ;
+        members.forEach(member->{
+            teamRes.addUser(userService.getReference(member.getId()));
+            teamService.edit(teamRes);
+        });
+        return teamRes ;
+    }
+
+    /**
+     *
+     * @param id of the Entity to update
+     * @param team
+     * @return
+     */
+    @Override
+    public VMTeam edit(Long id, VMTeam team){
+        return super.edit(id,team) ;
+    }
+
+    /**
+     *
+     * @return
+     */
+    @Override
+    @PermitAll
+    public Set<VMTeam> findAll() {
+        Set<VMTeam> teams= teamService.findAll();
+        return teams ;
+    }
+
+    /**
+     *
+     * @param id of the Entity to fetch
+     * @return
+     */
+    @Override
+    @PermitAll
+    public VMTeam find(Long id) {
+        return teamService.find(id);
+    }
+}