protected override void Execute(CodeActivityContext executionContext)
{
//Create the tracing service
ITracingService tracingService = executionContext.GetExtension <ITracingService>();
//Create the context
IWorkflowContext context = executionContext.GetExtension <IWorkflowContext>();
IOrganizationServiceFactory serviceFactory = executionContext.GetExtension <IOrganizationServiceFactory>();
IOrganizationService service = serviceFactory.CreateOrganizationService(context.UserId);
// Obtain the runtime value of the Text input argument
//string text = context.GetValue(this.Text);
//Entity loan = (Entity)context.InputParameters["Target"];
decimal apr = APR.Get(executionContext);
decimal pv = PV.Get(executionContext);
int n = N.Get(executionContext);
decimal r = (apr / 100) / 12;
decimal mp = (r * pv) / (1 - Convert.ToDecimal(Math.Pow((1 + Decimal.ToDouble(r)), -n)));
MP.Set(executionContext, mp);
//Entity loanImage = (Entity)context.PreEntityImages["LoanImage"];
// if (loan.Attributes.Contains("rev_monthlypayments"))
// {
//monthlypayments = ((Money)loan.Attributes["rev_monthlypayments"]).Value;
//monthlypayments = mp;
// }
//((Money)loan.Attributes["rev_monthlypayments"]).Value = mp;
//service.Update(loan);
}
