The CloudPagesURL() function provides a secure and efficient way to link out to CloudPages from email messages. <a href=”%%=RedirectTo(CloudPagesURL(4132))=%%”>Click HERE</a> It generates a URL link to the landing page with an encrypted query string appended —meaning no subscriber information is passed in clear text. https://pub.s10.exacttarget.com/1qVt23cf?qs=92fcbe6d03c54df75b03c7d674f2e836 This encrypted query string (?qs=______) references the email and allows standard system personalisation strings to be used on a landing page.Personalisation Strings | Training | SalesforceThese tables include available personalisation strings for usehelp.salesforce.com When using the RedirectTo(CloudPagesURL(1234)) function, I was curious if it was required to use requestParameter, queryParameter, or possiblyAttributeValue(). In fact, it is A LOT simpler than that. As you would in an email, you can simply use the defined system personalisation strings: SET @Subkey= _subscriberkey Then, logically the below also works: SET @Subkey = AttributeValue(“_subscriberkey”) Most personalisation string are available in the CloudPages context… If you are interest in testing this yourself: build an html table in cloudpages, set your ampscript variables, create an email with CloudPagesURL function to your test CloudPage, conduct a test send and see what values populate. Here’s something to get you started…. %%[SET @SubKey = _subscriberkeySET @emailaddr = emailaddrSET @jobid = jobidSET @emailid = _emailidSET @PreHeader = _PreHeaderSET @emailName = emailname_SET @IsTestSend = _IsTestSendSET @MID = memberidSET @msgcontext = _messagecontextSET @replyname = replynameSET @replyemail = replyemailaddressSET @SendDEname = _DataSourceName]%%<table border=”1″ cellspacing=”0″ cellpadding=”1″ style=”width:50%”> <tr> <td>SubKey:</td> <td>%%=v(@SubKey)=%%</td> </tr> <tr> <td>emailaddr:</td> <td>%%=v(@emailaddr)=%%</td> </tr> <tr> <td>jobid:</td> <td>%%=v(@jobid)=%%</td> </tr> etc.. etc..</table> https://developer.salesforce.com/docs/atlas.en-us.noversion.mc-programmatic-content.meta/mc-programmatic-content/cloudpagesurl.htmMarketing CloudSalesforceSoftware DevelopmentEmail Marketing