I want to implement the Webapp according to the use case explained in the documentation: Use cases
I got stock at this point:
My delivery template looks different and I can't find the functionality to add a "Webapp", I can only implement a hyperlink to the URL of the landingpage. If I do so the preloading is not working, instead of a end message "Thanks for your opt-in, you will receive our newsletter soon" I see the subscription formular of the subscription page.
Can anybody help?
If I'm in Marketing Campaigns > Add a Campaign or a delivery (e.g. Confirmation Mail) then there is just this option to set a link
Not like in the documentation, where you can add a link to a Webapp: https://docs.campaign.adobe.com/doc/AC6.1/en/IMG/s_ncs_admin_survey_double-opt-in_sample_7 B.png
Please make sure that you are using Campaign Digital content editor (DCE) to design your delivery content. Might explain the issue.
More on this (and usage) here: Delivering with the DCE
To check if you are using the 'DCE' mode, edit the delivery properties / advanced tab.
Be aware that changing the edition mode of an existing delivery will remove its current content - you must create a copy your delivery first.