[Koha] Koha OPAC login

Hi there How do you know if a patron has logged into Koha OPAC (not doing any transactions), either through log files or any other method. Any suggestions please. Thank you & regards Ravi ________________________________ DISCLAIMER: This email and any attachments may contain information that is confidential and subject to legal privilege. If you are not the intended recipient, any use, dissemination, distribution or duplication of this email and attachments is prohibited. If you have received this email in error please notify the author immediately and erase all copies of the email and attachments. The Ministry of Education accepts no responsibility for changes made to this message or attachments after transmission from the Ministry.