Hi,

I have been studying the custom pages (and projections) to fetch information. We would have need to fetch data from Call Center cases, for internal customers → Page where general user could only see the case information on read-only without having to grant whole call center projection and all those multiple pages. We do not want general user to be able to have access on Call Center/CaseHandling related pages.

I have created a persistent case_id attribute, and whern trying do next read-only field for Description (Expression Cc_Case_Description_API.Get_Customer_Description(v.case_id))
 

and trying to validate/approve I got following error.

Error in validation of Custom Attribute rDESCRIPTION]. The Expression statement is invalid. Modify the expression and resubmit. Using view C_C_INTERNAL_CASE_CLV as v. Using table C_C_INTERNAL_CASE_CLT as t.

However same expression is working on system defined CcCase Entity..