RocketChat/Rocket.Chat

import { Permissions } from '@rocket.chat/models';
import { Meteor } from 'meteor/meteor';

Meteor.startup(async () => {
    // Add permissions for discussion
    const permissions = [
        { _id: 'start-discussion', roles: ['admin', 'user', 'guest', 'app'] },
        { _id: 'start-discussion-other-user', roles: ['admin', 'user', 'owner', 'app'] },
    ];

    for await (const permission of permissions) {
        await Permissions.create(permission._id, permission.roles);
    }
});