<div dir="ltr"><span style="font-family:arial,sans-serif;font-size:13px"> Hello everyone,</span><br style="font-family:arial,sans-serif;font-size:13px"><br style="font-family:arial,sans-serif;font-size:13px"><font face="arial, sans-serif" style="font-family:arial,sans-serif;font-size:13px">I would like to know how to make a field mandatory in RT, custom field for instance.</font><br style="font-family:arial,sans-serif;font-size:13px"><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">Thanks in advance,</span><br></div>