createHistoryItem

const processSaveInteractionLog = (data) => {
  // Implementation for saving the interaction log must be done beforehand using the CRM API
  // For further explanation check the sendSaveLogRequest section
  const composedInteractionData = composeInteractionLog(data.message.body);
  saveInteractionLog(composedInteractionData);

  // Build the mandatory object required by the CRM Connector
  // Make sure msgData exists and has the message field
  const msgData = {
    message: data.message,
    header: data.header // Optional field
  }

  // Make sure the logParameters attribute contains the CRM saved fields
  data.logParameters = composedInteractionData.custom_object_record.custom_object_fields;
  data.msgData = msgData;

  // Make sure the sent message looks like the returnedResponse below
  const returnedResponse = {
    // This is the unique ID generated by the CRM when the interaction was saved
    taskId: composedInteractionData.custom_object_record.external_id,
    data: data,
  }
  sendCreateHistoryRequest(returnedResponse);
};

// More detailed explanation of the publishMessage() method exists in the Getting Started section
const sendCreateHistoryRequest = (data) => {
  publishMessage(clientIframe, CRM_CONNECT_ORIGIN, 'ClientAppMessage', 'createHistoryItem', data);
}

// The historyItem format can be found in the Implementation Example
{ "type": "ClientAppMessage", "action": "createHistoryItem", "data": <historyItem> }