how to create sql scheduled agent job ?

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C#3.5

i want to create a sql agent job run daily at 12 pm for example
i set this code ant its ok the job created
but how can i set the schedule ??

SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString);

ServerConnection svconn = new ServerConnection(con);
svconn.Connect();

Server server = new Server(svconn);


JobServer jobServer = server.JobServer;
Job job = null;
JobStep step = null;


// Create Job 
job = new Job(jobServer, job_Name);

job.Create();
job.ApplyToTargetServer("(local)");


// Create  db step 
if (createDB_command != "")
{
   
    step = new JobStep(job, "Creationdb_Step");
    step.Command = createDB_command;
    step.SubSystem = AgentSubSystem.TransactSql;
    step.OnSuccessAction = StepCompletionAction.GoToNextStep;
    step.Create();
}