It is referring to the cookie duration in the browser. However for target, it is still valid for 90 days (or respective visitor profile lifetime.)  

Hi @royl85951084 ! Customer attribute files once uploaded, cannot be deleted from the datasource. However You can still unsubscribe any parameter from Target/Analytics ORRe-upload the customer ID with updated values, this will overwrite the values.https://docs.adobe.com/content/help/en/core-services...

Hi @praveshn5700477 ! Target cookie will expire after 90 days of inactivity (or the respective visitor profile lifetime of the account), so target will no longer have the information about this user. After 90 days of inactivity, visitor will always be as a new visitor. 

Hi @Umamaheswari_Yakkala , You can also explore the customer attributes functionality to share your third party data with Target, if you are not using AAM already. Here are the details > https://docs.adobe.com/content/help/en/target/using/audiences/visitor-profiles/working-with-customer-attributes.h...

Hi @bruno-bradach , If the required parameters is available through the API, then the activity should be able to pick it up for content delivery. Have you tried deleting browser cookies or in a new session? 

Hi @samitk81687048 ! This is currently a limitation with the delivery APIs which is used with at.js 2.x . I suggest to please raise it as an idea, here > https://experienceleaguecommunities.adobe.com/t5/forums/postpage/board-id/adobe-target-ideas

Hi @danieli22263765 ! You should be using testParam as a query parameter to mboxDefault paramater as below https://optisightsps.tt.omtrdc.net/m2/optisightsps/ubox/page?mbox=redirector_1&mboxDefault=https://boehringeringelheim.eu.qualtrics.com/jfe/form/SV_6GtxALf4vwYWKuV?testParam=test The above URL ...

Hi @georgel63092844 ! The data once passed to analytics is never overwritten or deleted. so if you change conversion metric after making it LIVE then you would suggest to view the conversions as below(Total conversions of the activity - Total conversions before making the change in success metric)= ...

Hi @Mark_47 , Is the activity using some parameter based on data elements? I mean, is there a race condition where the element is not available when Target loads and thus activity is also not displayed. The issue might not be reproducible in normal window if the page is already cached in the browser...

Hi @nickolaslago ! For an third party tag managers, you would need to explore the option to upload the custom code on the page. This custom code with be target library to implement target. For GTM, you can try creating a custom HTML tag. Hope that helps!