Create new action for specific purpose.

Hi everybody. I just want to ask how can I create new action. For example I need to something very specific (change some value in db table) so I need to add action with help of campaign builder. Is there any documentation which can help?

Hi everybody. I just want to ask how can I create new action. For example I need to something very specific (change some value in db table) so I need to add action with help of campaign builder. Is there any documentation which can help?