text: --ALTER 
  
  CREATE FUNCTION dbo.fn_EmployeeFullName(@EmployeeID int)
  	RETURNS nvarchar(2000)
  	AS
  	BEGIN
  		
  		declare @Result nvarchar(2000)
  
  			select @Result = FirstName + ' ' + LastName
  			from dbo.Employee
  			where id = @EmployeeID
  
  		RETURN @Result
  	END
  
  --- Povik
  --	select dbo.fn_EmployeeFullName(1) + ' test'
  
  --select dbo.fn_efn(1) + ' test'