|Groups available in: Professional, Enterprise, Performance, Unlimited, and Developer Editions|
Group notifications indicate the name of the colleague who posted and the group posted to. If multiple people post to a group in the same day, each new notification reflects the total number of posts so far.
To make group notifications available to your users, Salesforce1 in-app and push notifications must be turned on. From Setup in the full Salesforce site, click.
Users enable group notifications for themselves from the full Salesforce site by selecting the email every post option on each desired group’s page. This option now turns on the Salesforce1 group notification type in addition to standard email notifications.
If users find group post push notifications too distracting, they can easily opt out while continuing to see in-app notifications about these activities in the notifications list. In the Salesforce1 navigation menu, tapthen turn off Posts to a group