How to execute stored procudure With an output Parameter in C# and Sql Server

CREATE PROCEDURE SAMLE @input  VARCHAR(20),

                       @output VARCHAR(20) output
AS
  BEGIN
      IF @input >= '1'
        BEGIN
            SET @output = 'HI';

            RETURN;
        END
  END

Executtion

DECLARE @get VARCHAR(20);

EXEC testme-Procedure Name

  '1',
  @get output

SELECT @get 

C# Code:

SqlCommand cmdStoredProcedure = new SqlCommand();
cmdStoredProcedure.CommandText = "procedure name";
cmdStoredProcedure.CommandType = CommandType.StoredProcedure;
cmdStoredProcedure.Parameters.Add("parmater1", SqlDbType.VarChar, 50);
cmdStoredProcedure.Parameters.Add("parmater2", SqlDbType.VarChar, 500).Direction = ParameterDirection.Output;
// set parameter values
cmdStoredProcedure.Parameters["paramter"].Value = "1";
cmdStoredProcedure = SchedulerJobBLL.ExecuteSQLSP(connectionstring, cmdStoredProcedure);
cmd.Parameters["paramter2"].Value.ToString();