How to enable token based authentication for Customer in Netsuite

First, need to give access to customer use of case and create a custom role and then give United access setup > users/roles >access Modern tokens > new

provide the application name and select ecudated the user as the customer which has the some how access and select the role and give the anything else unique token name.

now try using postman or another app not at all using token details.

happy learning.