Triggers when a new contact is created.
Receives data from the Zap.
Creates a new contact.
Updates a contact
Deletes a contact.
Generates a Taxpayer's Signature Code (PKP) from selected data items (for offline regime).
Sends a registered sale data messages to EET and returns a Fiscal identitication code (FIK).
Sends data to the Zap.
Searches for contacts that match a specified text.