invoke
Creates default instance of OutboundMessage for simple text messages.
Parameters
message
postback
Optional - see OutboundMessage.postback.
public final static OutboundMessage invoke(Iterable<ContentDescriptor> attachments, String message, String postback)
Creates default instance of OutboundMessage for attachment messages.
Parameters
attachments
see OutboundMessage.attachments, should be non-empty.
message
Optional text message to be sent with attachment.
postback
Optional - see OutboundMessage.postback.