I want call stored procedure to insert some value to database using netcore entity framework 5 , the stored procedure work perfectly in pgadmin

these the values that i want to pass i try a lot but nothing work

 [HttpPost]
                public async Task< IActionResult> Adduser(string fname , string lname , string pass , string uname , string actname , int cnumber , string cname , string depname  )
                {
        
                     var result =await _context.Database.ExecuteSqlRawAsync($"call transfer @fname,@lname, @pass,@uname,@actname,@cnumber,@cname,@depname {fname},{lname},{pass},{uname},{actname},{cnumber},{cname},{depname} " );
                      await _unitOfWork.CompleteAsync();
                    return Ok();
                }