// find the role with the name "Community"
let role = message.guild.roles.find(r => r.name == 'Community')
// if role doesn't exist, notify the author of command that the role couldn't be found
if (!role) return message.channel.send(`**${message.author.username}**, role not found`)
// find all guild members that aren't bots, and add the "Community" role to each
message.guild.members.filter(m => !m.user.bot).forEach(member => member.addRole(role))
// notify the author of the command that the role was successfully added to all members
message.channel.send(`**${message.author.username}**, role **${role.name}** was added to all members`)