REST: POST Schema
From BaseX Documentation
The following schema is used from the REST API to validate POST requests:
<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns="http://basex.org/rest"
targetNamespace="http://basex.org/rest">
<xs:element name="query">
<xs:complexType>
<xs:sequence>
<xs:element ref="text" minOccurs="1" maxOccurs="1"/>
<xs:element ref="parameter" minOccurs="0" maxOccurs="unbounded"/>
<xs:element ref="option" minOccurs="0" maxOccurs="unbounded"/>
<xs:element ref="variable" minOccurs="0" maxOccurs="unbounded"/>
<xs:element ref="context" minOccurs="0" maxOccurs="1"/>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="run">
<xs:complexType>
<xs:sequence>
<xs:element ref="text" minOccurs="1" maxOccurs="1"/>
<xs:element ref="parameter" minOccurs="0" maxOccurs="unbounded"/>
<xs:element ref="option" minOccurs="0" maxOccurs="unbounded"/>
<xs:element ref="variable" minOccurs="0" maxOccurs="unbounded"/>
<xs:element ref="context" minOccurs="0" maxOccurs="1"/>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="command">
<xs:complexType>
<xs:sequence>
<xs:element ref="text" minOccurs="1" maxOccurs="1"/>
<xs:element ref="parameter" minOccurs="0" maxOccurs="unbounded"/>
<xs:element ref="option" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="text" type="xs:string"/>
<xs:element name="option">
<xs:complexType>
<xs:attribute name="name" type="xs:string" use="required"/>
<xs:attribute name="value" type="xs:string" use="required"/>
</xs:complexType>
</xs:element>
<xs:element name="parameter">
<xs:complexType>
<xs:attribute name="name" type="xs:string" use="required"/>
<xs:attribute name="value" type="xs:string" use="required"/>
</xs:complexType>
</xs:element>
<xs:element name="variable">
<xs:complexType>
<xs:attribute name="name" type="xs:string" use="required"/>
<xs:attribute name="value" type="xs:string" use="required"/>
<xs:attribute name="type" type="xs:string" use="optional"/>
</xs:complexType>
</xs:element>
<xs:element name="context" type="xs:anyType"/>
</xs:schema>