How to override send-campaign command with ourself command. Maybe there are some possibility to kill core command and make own, and then when the cron job is running, it will work with own Class in extension not from the core.
We have extension and its task is to replace some tags in campaigns' templates to some images. It should work when we start CRON Job command send-campaign. And in time of this running, we should change our custom tag to image. But the main point is to change tags during cron job is running and...