Re: Witango-Talk: variableTimeoutTrigger

[John McGowan]

You put quotes around "HTTP URL" like it's some sort of magical thing... 
I've haven't had to use this variable yet, but here is an example of how 
you would.

<@assign scope=User Name=variableTimeoutTrigger 
value="http://www.mysite.com/logout.taf?userid=<@var User$UserID>">

After assigning this variable, when the user session that this variable 
was assigned in expires, the logout.taf url will be hit, allowing you to 
put code in logout.taf that will clean up after a user who lets their 
session expire instead of explicitly logging out of the system. Pay 
special attention to the Explanation of how metatags are/are not 
evaluated when the trigger occurs.

/John

Two 2 Witango wrote:

I have read that before. But what I need is an example-syntax of 
“variableTimeoutTrigger” explaining how to specify the “HTTP URL” in 
it. Can someone do that?

Thanks.

----Original Message-----
*From:* [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
*Sent**:* Monday, July 21, 2003 1:04 AM
*To:* [EMAIL PROTECTED]
*Subject:* Re: Witango-Talk: variableTimeoutTrigger
Not sure, that you have read this in the online manual:

------------------------------------------------------------------------

**variableTimeoutTrigger**
User, application, domain, and custom scopes
Just before a user's, application's, domain's or a custom scope's 
variables expire, the HTTP URL specified in that scope's 
variableTimeoutTrigger is activated. (//_The time after which 
variables expire is set in the configuration variable_//_ 
**/variableTimeout/**//.)//_

This URL could be used to execute an application file that clears the 
database of temporary user session data, purges the user name from a 
list of logged-in chat users, or many other possibilities.

There is no default timeout trigger. To have a trigger execute upon 
the expiry of each user's variables, you would assign the desired 
value to variableTimeoutTrigger (in user scope) at some point during 
each user's session. To set a trigger for a particular domain, you 
would assign to variableTimeoutTrigger in domain scope in an 
application file being accessed from that domain. To set a trigger for 
a particular application, you would assign to variableTimeoutTrigger 
in application scope in an application file being accessed from that 
Tango application.

The URL in this configuration variable cannot contain meta tags 
because the trigger mechanism does not evaluate meta tags. 
Nevertheless, you can include user-, application-, or domain-specific 
information in the URL by including meta tags in the assignment to 
variableTimeoutTrigger, which are evaluated at the time of the 
assignment.

See also:

//mailDefaultFrom///
//userAgent//
//variableTimeout///
**variableTimeout**
User, application, domain, custom, and system scopes
The system scope version of this configuration variable determines the 
default period, in minutes, after which domain and user variables 
expire. For user variables, the expiry timer is reset to zero each 
time the user accesses Witango Server. For application variables, the 
expiry timer is reset each time the Witango application is accessed. 
For domain variables, the expiry timer is reset each time a user from 
the domain accesses Witango Server. For custom variables, the expiry 
timer is reset each time a variable in the custom scope is accessed.

Setting variableTimeout to zero indicates that variables never expire. 
In general, this value is appropriate for the domain scope only.
To change the expiry timeout period for domain variables only, assign 
the desired value to variableTimeout in domain scope. For example, to 
specify that "domain" scope variables never expire, make the following 
assignment:

<@ASSIGN NAME=variableTimeout SCOPE=domain VALUE=0>

Setting this variable with user scope sets the expiry timeout for the 
current user, overriding the value in the system scope. For example, 
to specify that a "User" scope variables expire in 15 Minutes, make 
the following assignment:

<@ASSIGN NAME=variableTimeout SCOPE=User VALUE=15>

Setting this variable with application scope sets the expiry timeout 
for Witango application, overriding the value in the system scope.

------------------------------------------------------------------------



Hope this have answer your question

Regards

Daniel

----- Original Message -----
From: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Sunday, July 20, 2003 5:41 PM
Subject: Witango-Talk: variableTimeoutTrigger

Hi,
I am unable to find sufficient documentation/examples to use the 
Config Var
called "variableTimeoutTrigger" in my applications.

Can someone explain what this variable does, with an example? The Tango
docmentation is not good enough. It does not tell the syntax, nor an 
example.
Help please.

Thanks.
-TTT
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