On 9.5.2023, the on-line training for Sim centre Basic instructors began as part of the Transsimed project, with the aim of providing theoretical preparation for work at Sim centre. The training included 5 instructor candidates from the Republic of North Macedonia and 5 from Croatia. On the first day, the participants agreed on the main purpose of running simulations in a primary setting: patient safety. These courses are designed to provide instructors with the skills and knowledge necessary to effectively teach with simulation as a tool.