Background: In the time period from 2015-2019, a national collaborative effort took place between all the health regions in Norway. The project resulted in the staff-training program “MAP”.Aims: The projects intention was to achieve a national standard for teaching violence prevention to mental health staff. Prior to this work, all the different health regions had their own unique training programs, and there was a high degree of unnecessary variation.Methods: Evidence was systematically gathered from both theory, clinical expertise and from the patient perspective, and integrated to make sure the program had a solid knowledge-based foundation.Results: The program was officially launched in 2019, and since then all the different health regions has implemented «MAP» in their mental health sector.Conclusions: The projects aim of achieving a Norwegian national standard of violence prevention in the mental health sector has been successful.