======OUTDATED Dynamic OPAC GET parameters======
(developed jointly during the LibX for Evergreen hackfest session at Access 2008)

NOTE: These instructions are also available in the Evergreen documentation at [[http://docs.evergreen-ils.org/1.6/draft/html/search_url.html]]. In github: [[http://github.com/rsoulliere/Evergreen-DocBook/blob/master/1.6/opac/search_URL.xml]].

Template search URL:
**hostname**/opac/**en-US**/skin/**default**/xml/rresult.xml?rt=**keyword**&tp=**keyword**&t=**%2Btree%20-nickel**&l=**1**&d=**0**&f=

=====Scope to a library hierarchy parent or child=====
**l** parameter:
  * integer-or-SHORTNAME

=====Search type values=====
**rt** parameter:
  * keyword
  * title
  * author
  * subject
  * series

=====Sorting===== 
In the absence of **s** or **sd** parameter, it defaults to ''relevance''

====Sorting types====
**s** parameter:
  * pubdate
  * title
  * author

====Sort direction====
**sd** parameter:
  * asc
  * desc

=====Advanced search (multiple fields)=====
Uses **rt=multi**; then prepend search field to the search terms (delimited by a colon) in the **t** parameter:
  * tp=&t=keyword%3Afools title%3Arush&av=&rt=multi

=====ISBN and ISSN search=====
Can only search one at a time:
  * rt=isbn&adv=<ISBN>
  * rt=issn&adv=<ISSN>

=====Call Number search=====
http://islandpines.roblib.upei.ca/opac/en-US/skin/default/xml/cnbrowse.xml?cn=pr5655&d=0&l=1