For pre-filling the single choice field via URL parameters, the Field code can be found under the Advanced properties.
The field code can be used in URL parameters, as shown below.
https://example.neetoform.com/8abc2aa31ef7d12f288e?experience=Extremely%20satisfied
Using the "other" option
Single-choice supports having an other option via which the user can enter text input. To pre-fill the other option, you can use the other attribute for the URL parameters.
https://example.neetoform.com/8abc2aa31ef7d12f288e?experience.other=Very%20Good
What if multiple values are assigned?
If multiple values are assigned, the first value will be used.
https://example.neetoform.com/8abc2aa31ef7d12f288e?experience=Extremely%20Satisfied,Very%20Satisfied
If one of the options and the other are used, the other will have a higher priority.
https://example.neetoform.com/8abc2aa31ef7d12f288e?experience=Extremely%20Satisfied&experience.other=Good