post
https://api.accountabilityone.com/v1/MediaSchedules//entries/sync
Use this endpoint to sync all entries of a media schedule from an external system together. The externalId is the unique identifier from the external system.
- When an existing entry is missing from the data set, it will be deleted.
- When a matching entry is found, it will be updated.
- When a matching entry is not found, it will be created.
