How to set required fields in vtiger 6.1?

Question

CRM

How to remove/rename/make optional required field tiger 6.1 ?

Answer 1

This is understandable - the problem is that for required fields, the properties do not change in this menu

Answer 2

just in case, maybe it will come in handy for someone:
https://wiki.vtiger.com/index.php/UI_Types

Answer 3

In the vtiger database, in the vtiger_field table, change the field with columnname to typeofdata from V~M to V~O.
V~M Mandatory
V~O optional

Answer 4

you still need to assign the presence value to 1