Synapse is a collaborative platform. There are a couple useful features you can use to communicate with others on Synapse: discussion forums and teams.
Discussion Forums
Discussion forums are a space to communicate with others, similar to a message board. The discussion forum is visible to users who have access to the project.
Learn about discussion forums /wiki/spaces/DOCS/pages/1985904796.
Teams
Teams allow you to easily manage groups of users to control access to projects, communicate with colleagues, and participate in challenges.
Learn about teams /wiki/spaces/DOCS/pages/1985446029.