I have a PayPal form that I want to set to a particular payment plan op

I have a PayPal form that I want to set to a particular payment plan option when the user arrives. I have tried to use the steps above but can't seem to get it working....can you help please.

Here is the Jotform

https://form.jotformpro.com/71556656032962

I want to set each of the options for Share Trade Tracker Options

If you want to generate a link with a prepopulated subscription option, here they are:

https://form.jotformpro.com/71556656032962?shareTrade=1000 

https://form.jotformpro.com/71556656032962?shareTrade=1001 

https://form.jotformpro.com/71556656032962?shareTrade=1002 

Let us know if you need more help, we will be glad to assist you.