Thanks for the question.
As illustrated in your recent Logical operators topic, MLA provides the request: data substitution prefix to give you access to any variable in the _REQUEST array populated from the URL the user is executing.
Of course, any link in the content of the page, such as a gallery pagination control or a search form, must include any parameter values you want to pass along to the next post/page. You can find an example of this technique in the “Search Form and Gallery” entry within the “MLA Gallery Examples” section of the Settings/Media library Assistant Documentation tab.
I am marking this topic resolved, but please update it if you have any problems or further questions regarding the above suggestions.
