It is working properly. Except that I modified the validation part to set a default value for my parameter.
VALIDATION 'default_TIME' "1980-01-01/2020-06-01" 'TIME' '^(TIME=)?.*$' END Now my connection string look like: CONNECTION "https://ws.mapserver.transports.gouv.qc.ca/swtq?TIME=%TIME%&" And I set wms_timeextent, wms_timeitem et wms_timeformat into the layer's metadate section to broadcast wms-t capabilities into my local getcapabilities. Thanks! -- Sent from: http://osgeo-org.1560.x6.nabble.com/Mapserver-User-f4226646.html _______________________________________________ mapserver-users mailing list mapserver-users@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/mapserver-users