These are some common use cases:
Synchronize your CRM customer base with Sirena so your agents have all the customer context.
Send a WhatsApp notification to your customers when they make a business transaction.
Add a field to Sirena based on the ones you have on your CRM and it will update automatically.
Provide custom reports to users in Sirena.
Allow Sirena users to trigger custom contextual actions from conversations with customers and many more!
Besides, you can also consult in this documentation, how to complete the additional fields by API.
Note: At the moment, it is not possible to request the development of custom applications.