An advanced search engine.
- The interface allows to easily combine search criteria with drag'n'drop to build complex queries.

- Modules provided by default:
* Criteria for search by tags
* Criteria for search keywords
* Criteria for search by date
* Criteria for search by categories
* Criteria for search by rating

- If installed, plugins 'GMaps', 'AdvancedMetadata' and 'ColorStat' are interfaced to the engine to add the following modules:
* Criteria for search by region
* Criteria for search by metadata
* Criteria for search by color

- The search interface is available for administrators (with ability to load the result in the caddie)

- The interface can be made available in the gallery (with possibility to select modules available to users) and is available for default themes provided with Piwigo (Sylvia, Clear, Dark).

- Gally themes 'Gally/Graphite', 'Gally/Grum Dark II', 'Gally/Lapis-lazuli' are compatible with the plugin.

- Needs plugin 'GrumPluginClasses 3.5.2'