FogBugz Plugin Interfaces > Search
IPluginSearchAxis: Create a custom search axis by specifying a SELECT query and configuring full-text indexing on the specified axis. (Example)
IPluginSearchToolbar: Add a control to the "Search Tools" menu that appears on the upper right of search results. (Example)
IPluginFullTextIndexBug: Tightly integrate your plugin with FogBugz search by adding custom data (optionally assigned to specific search axes) to a case's full text index. (Example)
IPluginFullTextIndexWikiPage: Tightly integrate your plugin with FogBugz search by adding custom data (optionally assigned to specific search axes) to a wiki page's full text index. (Example)