Should have done a little more digging myself, gonna give this a shot:
I have a signup form that needs to do these three things:
create a new "Group"
create a new "User"
Add that User to the Group
I have the scaffolding for the create new user form:
<% form_for :user do |form| %>
<label for="user_name">First Name:</label> <%= form.text_field :first_name, :size => 40 %> </p> # ...
<% end %>
I want to add a “Group Name” field to this same form so that the
controller can use it to create a new Group in the database and then do
the typical @user.save, etc…