[imp] Problem with hook _prefs_hook_from_addr

[alois blasbichler]

Quoting Jan Schneider <jan at horde.org>:

> Zitat von Andrea Soracchi <soracchi at netbuilder.it>:
>
>> Hi,
>> How can I check?
>
> How *did* you check it initially? You said it was always empty! You
> could log the value with Horde::logMessage().

Hello

I have exactly the same problem. How do i log this value ?
Where i have to write  Horde::logMessage() ? In hooks.php or in conf.php ?
And how ?  Maybe :   horde::logMessage(_prefs_hook_from_addr)

Thank you and by
luis