How to add an auto generated number counter into a label

Generate sequential numbers using the [#] automation tag.

Customize number tag generation:

To customize starting value:
Toolbar > Automation Tags > Start

To customize interval value:
Toolbar > Automation Tags > Interval

Examples:

To generate number counters (1, 2, 3, 4, 5...)

Set "Start" value to 1 (default value)
Set "Interval" value to 1 (default value)

To generate odd numbers (1, 3, 5, 7...)

Set "Start" value to 1
Set "Interval" value to 2

To generate even numbers (2, 4, 6, 8, 10...)

Set "Start" value to 2
Set "Interval" value to 2

To generate numbers with 10s intervals (10, 20, 30, 40...)

Set "Start" value to 10
Set "Interval" value to 10