wmtsGetFeatureInfo_response This XML Schema Document was intended to encode SOAP response for a WMTS GetFeatureInfo request but it can be used in other encoding. Since GetFeatureInfo response is completely open, it can not be more specific. WMTS is an OGC Standard. Copyright (c) 2009,2010 Open Geospatial Consortium. To obtain additional rights of use, visit http://www.opengeospatial.org/legal/. This allows to define any FeatureCollection that is a substitutionGroup of gml:_GML and use it here. A Geography Markup Language GML Simple Features Profile level 0 response format is strongly recommended as a FeatureInfo response. This allows to include any text format that is not a gml:_FeatureCollection like HTML, TXT, etc This allows to include any binary format. Binary formats are not common response for a GeFeatureInfo requests but possible for some imaginative implementations. This allows to include any XML content that it is not any of the previous ones.