# Event Log **URL:** \ **Category:** RobotStudio\ **Tags:** event-log\ **Created:** [January 8, 2021, 10:57am UTC](https://tech-community.robotics.abb.com/t/event-log/9909 "2021-01-08T10:57:12Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![MICEH](https://avatars.discourse-cdn.com/v4/letter/m/9e8a1a/32.png) [@MICEH](https://tech-community.robotics.abb.com/u/MICEH)\ **Post date:** [January 8, 2021, 10:57am UTC](https://tech-community.robotics.abb.com/t/event-log/9909/1 "2021-01-08T10:57:12Z")
Hi all. i have questions. 1.) \_\_\_\_\_is possible create new category in Event Log? Now is here: common, operational,system,hardware,program,motion,io and communications,user,safety,internal,proces,configuration,rapid and connectedServices. is possible create new category , i dont know “Test1”.? 2.) \_\_\_\_\_How i can write to him something? (for example.: I create new function on programable key 4. if is function used i need log.(date,time,value)) Actual situation is that, i have very more errors in log file type: motors on state,configuration parameters changed,sensor proces missing …and so on. i need one log category only for this prog keys 4 function. 3.) \_\_\_\_\_ Is possible anywhere sellection which info must be in log file and which ingo not? If yes,where,how… 😃 Thank for help. Nice day. ---
**Author:** ![lemster68](https://dub1.discourse-cdn.com/flex005/user_avatar/tech-community.robotics.abb.com/lemster68/32/1945_2.png) [@lemster68](https://tech-community.robotics.abb.com/u/lemster68)\ **Post date:** [January 8, 2021, 8:15pm UTC](https://tech-community.robotics.abb.com/t/event-log/9909/2 "2021-01-08T20:15:40Z")
1. No new category. 2. Write to the user log. Programmable keys will turn outputs off or on, you would need a Trap routine connected to the state change of the output assigned to p4. in that trap, use ErrWrite instruction you can read up in the Instructions, Functions and Datatypes manual.