This element specifies the properties (size and orientation) for all pages in the current section.
Reference: https://c-rex.net/samples/ooxml/e1/Part4/OOXML_P4_DOCX_pgSz_topic_ID0ENEDT.html?hl=pgsz%2Cpage%2Csize
<xsd:complexType name="CT_PageSz"> <xsd:attribute name="w" type="s:ST_TwipsMeasure"/> <xsd:attribute name="h" type="s:ST_TwipsMeasure"/> <xsd:attribute name="orient" type="ST_PageOrientation" use="optional"/> <xsd:attribute name="code" type="ST_DecimalNumber" use="optional"/></xsd:complexType> Copy
<xsd:complexType name="CT_PageSz"> <xsd:attribute name="w" type="s:ST_TwipsMeasure"/> <xsd:attribute name="h" type="s:ST_TwipsMeasure"/> <xsd:attribute name="orient" type="ST_PageOrientation" use="optional"/> <xsd:attribute name="code" type="ST_DecimalNumber" use="optional"/></xsd:complexType>
This element specifies the properties (size and orientation) for all pages in the current section.
Reference: https://c-rex.net/samples/ooxml/e1/Part4/OOXML_P4_DOCX_pgSz_topic_ID0ENEDT.html?hl=pgsz%2Cpage%2Csize
XSD Schema