Exceptions: Failure
+
+setExpirationTimer(number<s>, expiration<i>) -> <>::
+* number : Phone number of recipient
+* expiration : int32 for the number of seconds before messages to this recipient disappear. Set to 0 to disable expiration.
+
+Exceptions: Failure
+
setContactBlocked(number<s>, block<b>) -> <>::
* number : Phone number affected by method
* block : 0=remove block , 1=blocked
Exceptions: GroupNotFound, Failure, AttachmentInvalid
+sendContacts() -> <>::
+
+Sends a synchronization message with the local contacts list to all linked devices. This command should only be used if this is the primary device.
+
+Exceptions: Failure
+
+sendSyncRequest() -> <>::
+
+Sends a synchronization request to the primary device (for group, contacts, ...). Only works if sent from a secondary device.
+
+Exception: Failure
+
sendNoteToSelfMessage(message<s>, attachments<as>) -> timestamp<x>::
* message : Text to send (can be UTF8)
* attachments : String array of filenames to send as attachments (passed as filename, so need to be readable by the user signal-cli is running under)