How do I link content information in a thank-you email?

Q: How do I link content information in a thank-you email?

Yes, it is possible. Please use Smarty to write in the 'Thank-You Email Sending' section of the form's basic settings.

Yes, it is possible.
Since you can call Kuroco's API from the thank-you email, refer to Can I call Kuroco's API using custom function? to retrieve content information.

Example Code

Thank you for your inquiry.
Please check Kuroco's service materials below.
{assign_array var='method_params'            values=''}
{assign       var='method_params.topics_id'  value='98'}
{api_method
    var='topics'
    model='Topics'
    method='details'
    version='1'
    method_params=$method_params
}
Kuroco Service Materials:{$topics.details.ext_14.url}