What do you want to say about your announcement? It is important to list who it is for, what the event is, where it is located, when it takes place, and the purpose of the event. Additional questions are below.
Event based announcement: You are asking people to come to an event. Specific variables may include event dates, times, cost, etc. This is the most common type of announcement.
Informational: This type of announcement is generally for awareness. Examples would be Monthly Communion Offering or Daylight Savings Time Begins.