how to add record from anyone via stateless form?

hi!

need to make next logic:

1) email from anyone -> 2) public stateless form -> 3) private zoho creator form

task what i need to solve -
every email that was sent to email " order@myemail.com" will be as unique entry in my private zoho creator form

there are
- private zoho creator form (yachting_zayavki)
- public stateless form (email_data1)

in both forms there are same fields ZC_Subject and ZC_Content

how to make linking from fileds of public stateless form (email_data1) to fields private zoho creator form (yachting_zayavki) ?