lib/transports/sparkpost.js
function handleReply(inboundMessage, data) {
  if (data.reply) {
    _.merge(data.content.headers, Transport.getReplyHeaders(inboundMessage));

    data.content.subject = Transport.getReplySubject(inboundMessage);

    delete data.reply;
  }

  return data;
}
function handleReply(inboundMessage, data) {
  if (data.reply) {
    _.merge(data.content.headers, Transport.getReplyHeaders(inboundMessage));

    data.content.subject = Transport.getReplySubject(inboundMessage);

    delete data.reply;
  }

  return data;
}
function handleReply ( inboundMessage , data ) { if ( data . reply ) { _ . merge ( data . content . headers , Transport . getReplyHeaders ( inboundMessage ) ) ; data . content . subject = Transport . getReplySubject ( inboundMessage ) ; delete data . reply ; } return data ; }
Modifies the data to be in reply if in reply

@param {inboundMessage} inboundMessage
@param {Object} data - the data for the SparkPost API
@returns {Object} data
Modifies the data to be in reply if in reply