How to turn on before starting a command and then turn it off after completion?
Command prefixes for turning history on and off
Type these shortcut symbols before a command name to enable/disable history recording
Enables history recording for the following command.
For example: #ArcBlend
Disables history recording for the following command.
For example: %ArcBlend
With a single left click on the [Record History] pane you can temporarily toggle the current history setting just for the next command.
I think this is not so clear in the help.