Serialize to CSV
- create a cron
- optionally add a trigger
- add Load Entities (SQL) action with: select * from Users on SQL Query box an entity name extract the columns you need in Properties, e.g. Username
- add the Serialize to CSV action and in Entity Name add the value stored above on Load Entities check Include all fields option select a Field separator select a Folder Store in Relative URL, let's say csvtest
- add a Send Email action on Attach from Token add the token stored in relative url