Here's a screenshot of the variables that I can use in Web Access 9.2.  If you have questions about other variables, please provide an example of the type of temporary values that you need access to.

Thanks Rob,

I am not talking about tokens. When we create asp.net application there is by default __EventArgument and some other hidden fields are available to store some information or we can create hidden fields as per our requirement. You can search for custom login page for Laserfiche and that will give you an idea that we can post variables to this page for login process. That's how if there are some predefined hiddenfields or variables are configured then we can post some information. My ultimate requirement is to store that value to template.

ex: http://localhost/laserfiche/index.aspx?ip=123.123.123.123

I would like to store this field(ip) to metadata.