direct to pref centre:
%%=RedirectTo(CloudPagesURL(3657, 'EmailAddress', @email, '_subscriberkey', @SubscriberKey, 'sendId', @SendId))=%%

---

inferred preference buttons:

%%=RedirectTo(CloudPagesURL(3657, 'EmailAddress', @email, '_subscriberkey', @SubscriberKey, 'sendId', @SendId, 'inferred_want', 'highinfibre', 'choice', 'want'))=%%
%%=RedirectTo(CloudPagesURL(3657, 'EmailAddress', @email, '_subscriberkey', @SubscriberKey, 'sendId', @SendId, 'inferred_want', 'classicbreakfast', 'choice', 'want'))=%%
%%=RedirectTo(CloudPagesURL(3657, 'EmailAddress', @email, '_subscriberkey', @SubscriberKey, 'sendId', @SendId, 'inferred_want', 'tastytreat', 'choice', 'want'))=%%
%%=RedirectTo(CloudPagesURL(3657, 'EmailAddress', @email, '_subscriberkey', @SubscriberKey, 'sendId', @SendId, 'inferred_want', 'glutenfree', 'choice', 'want'))=%%
%%=RedirectTo(CloudPagesURL(3657, 'EmailAddress', @email, '_subscriberkey', @SubscriberKey, 'sendId', @SendId, 'inferred_want', 'easyonthego', 'choice', 'want'))=%%
%%=RedirectTo(CloudPagesURL(3657, 'EmailAddress', @email, '_subscriberkey', @SubscriberKey, 'sendId', @SendId, 'inferred_want', 'kidfriendly', 'choice', 'want'))=%%

%%=RedirectTo(CloudPagesURL(3657, 'EmailAddress', @email, '_subscriberkey', @SubscriberKey, 'sendId', @SendId, 'inferred_flavour', 'fruity', 'choice', 'flavour'))=%%
%%=RedirectTo(CloudPagesURL(3657, 'EmailAddress', @email, '_subscriberkey', @SubscriberKey, 'sendId', @SendId, 'inferred_flavour', 'chocolatey', 'choice', 'flavour'))=%%
%%=RedirectTo(CloudPagesURL(3657, 'EmailAddress', @email, '_subscriberkey', @SubscriberKey, 'sendId', @SendId, 'inferred_flavour', 'honey', 'choice', 'flavour'))=%%
%%=RedirectTo(CloudPagesURL(3657, 'EmailAddress', @email, '_subscriberkey', @SubscriberKey, 'sendId', @SendId, 'inferred_flavour', 'cinnamon', 'choice', 'flavour'))=%%
%%=RedirectTo(CloudPagesURL(3657, 'EmailAddress', @email, '_subscriberkey', @SubscriberKey, 'sendId', @SendId, 'inferred_flavour', 'nutty', 'choice', 'flavour'))=%%
%%=RedirectTo(CloudPagesURL(3657, 'EmailAddress', @email, '_subscriberkey', @SubscriberKey, 'sendId', @SendId, 'inferred_flavour', 'addmyown', 'choice', 'flavour'))=%%