How do i generate the e time stamp format

#1

Is there any possibility to accommodate the time stamp format which is in
UTC Time Stamp in Long Form (YYYYMMDDhhmmssmmmuuun)

#2

You can probably use Ruby’s strftime function in an inline formula (the f(x) button) on a Date field to achieve the desired result. For example, the following f(x) outputs YYYYMMDD:

this.strftime('%Y%m%d')
#3

how to create it on new schema?
I want to create one.