Gotcha! To add a custom variable (let's say user id) in every page hit, you will need to first set userid in either cookie or data layer. once done you will need to use tag manager to read that user id and set a custom prop or evar with user id value on each page.

Few questions to better understand your question -Are you using DTM/Launch to add custom variable? or Do you want to add custom variable on app? and use processing rule to define custom variables.

You can go to section "Data feed actions" and see available action to either pause or delete it. If that doesn't work, I would suggest to reach out to clientcare@adobe.com to help get it fix or approved.

Total seconds spent metric is available only in Analysis Workspace, Reports & Analytics, Report Builder (called ‘total time spent’), Data Warehouse, Ad Hoc Analysis. In data feed you can do following to get time spent:Hits must first be grouped by visit, then ordered according to the hit number with...

This document can help you fix those. https://docs.adobe.com/content/help/en/analytics/export/analytics-data-feed/df-manage-feeds.html

Don't think you can do that currently, it will be a good idea though.

you should be able to fix it via column settings. To access Column Settings, drag a Freeform Table to the project, then click the gear icon in the column heading. Column settingsTo fix - Enable Interpret zero as no value - Determines for cells with a 0 value, determines whether to show a 0 or a blan...

Apologies if I didn't explained it well ...I get the issue, can't say how adobe handles it (may be timesteps calculation is not based on ms). I am trying to see if you can control it at your end by using some JS skills or by checking "delay link activation".

Hi,It looks your click calls are firing post pageview calls, this may be an issue. You can validate it by using network tab in browser developer console or using adobe debugger. Need to validate following -  1. Order of link calls vs pageview calls. Link call should fire first.2. Pagename is link ca...

It is possible under some cases, I explained some cases  in a similar question here Campaign tracking code expiration Thanks!Asheesh