How to get current logined user name?

Re: get accessToken for logined user#822395 or you can use () in a Dynaform's Javascript and save the value to a

i made an app froum your fleetstack and logined successfully and app is running ok but notification is not receiving in mobile

logined Now I want to populate logined user details like First Name, Last Name, Phone, Zip into Contour form automatically So User need to fill only

logined Hi ,I have a required to check in ACL whether the logined in user is part of a group but without using script can i achive this ?