@DBoro I created a fragment with this HTML code and used that on the email designer (screenshot2) then sent out a proof.  Received proof with this content,  

@raultorga Have a look at this documentation on how to interact with custom resources linked with profile resource via API. https://experienceleague.adobe.com/en/docs/campaign-standard/using/working-with-apis/global-concepts/custom-resources

@LAR1985 You can use the enrichment activity to define the primary set and target set then use reconciliation within the enrichment activity to apply the function on both the temporary table and a field of a resource. Example screenshot where you can have a function on both source and destination th...

@GeorgeVi2 If you selected the same subscription list for more than one check box field you will get this error. You can have one subscription list associated with one checkbox field. Update the checkbox field that contains a duplicate subscription list with a different subscription list then it sho...

@montezh2001 Either I don't see that's working. I did try that with fragments, but that didn't help. It's getting reflected in the fragment setup but not when using it in the subject line. Maybe you can open a support ticket on this.  

@DBoro Take a look at this documentation.

@LAR1985 Can you check whether the added field showing on the API response when you make a GET call? https://experienceleague.adobe.com/en/docs/campaign-standard/using/developing/use-case-extending-the-api/step-3-verify-the-extension

@Ajo_WisdomChase Currently in AJO you don't have anything to specify the title for the link. 

@SanmathiKumar Refer to this post for help with this ask.

@Ajo_WisdomChase Take a look at the implicit variables in the documentation and see if that helps. Also have a look editable fields in the fragments documentation.