Hi! So we have items that happen on the child account - but we also want to roll up to the parent account, as a summary (if you will). Wondering if someone has done this, and if so - would you mind sharing how? :)
Do you mean accounts that are related via account hierarchy and not using Gainsight relationships?
Right now the best way to do this would be via Global Timeline (still in Beta) - you could add the names of the accounts to the filter and it would show all Timeline entries that belong to any of those accounts.
If you are using account hierarchies in Gainsight, one other way to get a rolled up view is through custom reports. You can build a report on Timeline data and add it as a section on 360. Then checking the box as shown below will give you access to all activities together (parent + all children).