See Integration of external Applications, for details.
See WebOffice URL call Interface for details on supported HTTP call parameters of WebOffice 10 R3.
Note: Assure to use the same calling convention (Base URL) like displayed in the Figure below.
The Base URL is configured to
externalcall.jsp?project=bregenz_combined_views&query=grundstuecke&keyname=KG_GNR
This Base URL will only work if in the target project (bregenz_combined_views) a Query with the External Layer ID ‘grundstuecke’ and a Search field ‘KG_GNR’ are configured.

Integration (Call from WebOffice) - passing parameters to another WebOffice 10 R3 project

Key configuration - passing parameters to another WebOffice 10 R3 project

Display mode pop up – HTML target configuration
Note: Assure to use the correct HTML target configuration value. In the Figure above the parameterized call from the QueryCenter project will be passed over to a project identified by the Project ID bregenz_combined_views. Therefore the HTML target will be to_weboffice_bregenz_combined_views.