Function to add members to Team Plugin Code

        //Function to Add members to Team

        private void addMember(IOrganizationService crmServ, List<string> userInfo, Guid TeamId)

        {

            #region add members to  team

            foreach (string memberId in userInfo)

            {

                if (!(string.IsNullOrWhiteSpace(memberId)))

                {

                    QueryExpression queryExp = new QueryExpression();

                    queryExp.EntityName = "systemuser";

                    queryExp.ColumnSet = new ColumnSet();

                    queryExp.ColumnSet.Columns.Add("systemuserid");

                    ConditionExpression conExp = new ConditionExpression();

                    conExp.AttributeName = "domainname";

                    conExp.Operator = ConditionOperator.Equal;

                    conExp.Values.Add(memberId);

                    ConditionExpression userStatus = new ConditionExpression();

                    userStatus.AttributeName = "isdisabled";

                    userStatus.Operator = ConditionOperator.Equal;

                    userStatus.Values.Add(false);

                    FilterExpression fep = new FilterExpression();

                    fep.FilterOperator = LogicalOperator.And;

                    fep.Conditions.Add(conExp);

                    fep.Conditions.Add(userStatus);

                    queryExp.Criteria.AddFilter(fep);

                    Guid userId = new Guid();

                    EntityCollection entColl = crmServ.RetrieveMultiple(queryExp);

                    foreach (Entity entity in entColl.Entities)

                    {

                        userId = (Guid)entity["systemuserid"];

                        AddMembersTeamRequest addMembereTeamRequest = new AddMembersTeamRequest();

                        addMembereTeamRequest.TeamId = TeamId;

                        Guid[] arrayMembers = new Guid[1];

                        arrayMembers[0] = userId;

                        addMembereTeamRequest.MemberIds = arrayMembers;

                        AddMembersTeamResponse addMembersTeamresp = (AddMembersTeamResponse)crmServ.Execute(addMembereTeamRequest);

                    }

                }

            }

            #endregion

        }

    }

}