Removes a message from the sending queue
- string RemoveNewsletterQueue(string accessKey, int listID, int newsletterID, int deliveryID, int scheduleID, booldeleteQueue)
- accessKey: access key obtained using the LoginFromId method
- listID: list identifier. Lists and corresponding IDs can be obtained calling the GetLists Method
- newsletterID: ID of the message to be removed
- deliveryID: ID of the delivery
- scheduleID: ID of the schedule
- deleteQueue: boolean value to indicate whether to delete the queue or not. If false, the message will be removed from the "messages in the sending queue"" or "scheduled messages", and moved to the "message waiting to be sent"