I have a form w/ 2 radio btns and a repeated section (RS). Is it possible to populate the RS based on which radio btn was selected from 2 different salesforce objects? I tried the Get Rule but no.

I have a several fields that I hide/show based on a dropdown. There is one field that hides but leaves a big blank gap whereas all other fields hide without gaps. Stumped on this.

How do I set a custom email to be sent to form filler (on submit) only if condition is met? On submit w/condition, the Send seems to be a string. Or selecting form filler is for all submissions.

I have a form with a Smart V element where the user enters payment # and email. If the user has submitted the form with that # and email, is there a way to not allow the user to use the link again?

I would like to install the FT Package in a specific developer sandbox instance in Salesforce. If I click on Sandbox during install, where does it allow me to select which sandbox?

Could I populate a dropdown with values from an external API call? This is a tool we use for credit cards and are stored in a portal. I would like to use API call to retrieve the cards (tokenized).

Depending on the radio button a user selects, I would like to either go to the next page or redirect to an external URL. I've only been able to achieve by hide/show 2 separate buttons. Is this the best method or is there an option for just 1 button?

Does the SF Action button allow for error display on mandatory fields that are not filled in? I don't see the error message appear if a mandatory field is not filled in.

I'm trying to use a hidden field to store some text based on a condition. Is there a limit to the number of characters it can hold? Can I set the value from a paragraph field?

I am populating a picklist dynamically through apex call. I have some text as the label and an integer for the value. I would like to push back SF both the value and the label. Is that possible? I don't see how to get the label.