Delete all activities and clean up ALL feeds
activity_delete_all( confirm: Boolean ): [ID]
ID scalar type represents a unique identifier, often used to refetch an object or as key for a cache. The ID type appears in a JSON response as a String; however, it is not intended to be human-readable. When expected as an input type, any string (such as
"4") or integer (such as
4) input value will be accepted as an ID.