CHAIR Jo Robinson Australia 29 August PS22-1 #MyGPguide: Involving Youth Lived Experience in the Design of a Resource to Facilitate Help-Seeking for Self-Harm and Suicidal Experiences in Primary Care August, 29 | 17:30 - 19:00 Maria Michail United Kingdom PS22-2 Evaluating the Acceptability, Feasibility, and Impact of the #chatsafe Workshop Model August, 29 | 17:30 - 19:00 Louise La Sala Australia PS22-3 Adapting and Co-producing Resources for the Multi-Modal School-Based Suicide Prevention (MAPSS) Programme in the UK August, 29 | 17:30 - 19:00 Emma Ashworth United Kingdom PS22-4 Young People's Participation in Public Policies for Suicide Prevention: The Chilean Experience August, 29 | 17:30 - 19:00 Belén Vargas Chile