METHOD_SendMessage
    This method sends an instant message to a recipient.
The following table describes the parameters that you can include in this method.
| Parameter | Type | Required | Description | 
|---|---|---|---|
| contactId | String | √ | This parameter specifies the ID of the recipient to send the message to.  | 
| message | String | √ | This parameter specifies the message to send.  | 
| messageId | String | √ | This parameter specifies the ID of the message created in the  BlackBerry Connectapp. | 
| dependencies | String | — | This parameter specifies the other methods that this method is dependent on. It specifies the comma delimited dependent request IDs. | 
BEMS response and notification
      BEMS
 response and notificationThe following table describes the parameters that 
BEMS
 returns and the notification to send to the BlackBerry Connect
 app when the user sends an instant message.| Parameter | Type | Description | 
|---|---|---|
| timestamp | Sate | This parameter specifies the date that the instant message was sent. The timestamp is in Epoch UTC Unix timestamp.  | 
| method | String | This parameter specifies the invoked method (for example, SendMessage).  | 
| state | String | This parameter specifies the state of the request to  BEMS(for example, Processing or Complete). | 
| chatId | String | This parameter specifies the ID of the chat to send the message to.
                   For the first message, the  BEMSgenerates a StartChat to invite the contact to accept or decline a chat. | 
Code sample
      The following code example sends a request to 
BEMS
 to send a message to "user1".{ "method":"SendMessage", "params": { "contactId":"user1@example.com", "message": "Are you there?", "messageId":"125988FKKFJFHI2345" }, "id":"c5", "jsonrpc":"2.0" }
If the request is successful, 
BEMS
 sends the following response to the BlackBerry Connect
 app and processes the request.{ "id":"c5", "error":null, "result": { "data": { "timestamp":"189238873498795", "method": "SendMessage", "state":"PROCESSING" } }, "jsonrpc":"2.0", "background":false }
If there are no errors, 
BEMS
 sends the following notification and sends the message to the recipient.{ "id":"c5", "sequence":1018532000000017, "result": { "data": { "timestamp":"189238873498795", "chatId":"78bb705f-230a-45ad-9654-651f906621e1", "method":"SendMessage", "state":"COMPLETE" } }, "jsonrpc":"2.0" }
If the message times out or recipient declines the invitation, 
BEMS
 sends a MessageUpdate notification to the BlackBerry Connect
 app.- Sample notification if the invitation times out.{ "id":"s50", "error": { "data": { "type":"ack", "status":"timeout", "contactIds":[sip:user1@example.com], "messageId":"125988FKKFJFHI2345", "method":"MessageUpdate" } }, "jsonrpc":"2.0" }
- Sample notification if the recipient declines the invitation.{ "id":"s50", "error": { "data": { "type":"declined", "status":"terminated", "contactIds":[sip:user1@example.com], "messageId":"125988FKKFJFHI2345", "method":"MessageUpdate" } }, "jsonrpc":"2.0" }