The General Assembly (GA) of the Presbyterian Church (U.S.A.) meets biennially in even-numbered years. It consists of commissioners elected by each of its 173 presbyteries. The GA is full of activities: business sessions, committee meetings, an exhibit hall, daily worship services, and mission tours sponsored by the Committee on Local Arrangements. (https://www.pcusa.org/events/24276/223rd-general-assembly-2018/)
You can find more information about GA through the Office of the General Assembly and their website by clicking here.
You can also see the final text of decisions by clicking over to: PC BIZ.
Many things happened this year in St Louis! Stay up to date and call the church if you have any questions.