eventID (int): This param limits the list to items from a given event.
Example query:
https://api.countrysidebible.org/media?eventID=1
This will return a list of all media items related to event 1. If you would like to include media items from more than one event, you can concatenate IDs with a + delimiter.
Example query with multiple events:
https://api.countrysidebible.org/media?eventID=1+2+3
The full list of events is available here: