<?xml version="1.0" encoding="UTF-8"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
targetNamespace="http://www.crossref.org/fundref.xsd"
xmlns="http://www.crossref.org/fundref.xsd">
<xsd:element name="program">
<xsd:annotation>
<xsd:documentation>Information about registering funding data is available in our documentation: https://www.crossref.org/documentation/funder-registry/funding-data-deposits/</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="assertion" minOccurs="0" maxOccurs="unbounded"/>
</xsd:sequence>
<xsd:attribute name="name" type="xsd:string" fixed="fundref"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="assertion">
<xsd:annotation>
<xsd:documentation>Funding data attributes included in assertion are:
* fundgroup: used to group funding info for items with multiple funding sources. Required for items with multiple award_number assertions, optional for items with a single award_number
* funder_identifier: funding agency identifier, must be nested within the funder_name assertion
* ror: ROR ID of a funder
* funder_name: name of the funding agency (required)
* award_number: grant number or other fund identifier
</xsd:documentation>
</xsd:annotation>
<xsd:complexType mixed="true">
<xsd:sequence>
<xsd:element ref="assertion" minOccurs="0" maxOccurs="unbounded"/>
</xsd:sequence>
<xsd:attribute name="provider" default="publisher">
<xsd:simpleType>
<xsd:restriction base="xsd:NMTOKEN">
<xsd:enumeration value="publisher"/>
<xsd:enumeration value="crossref"/>
</xsd:restriction>
</xsd:simpleType>
</xsd:attribute>
<xsd:attribute name="name" use="required">
<xsd:simpleType>
<xsd:restriction base="xsd:NMTOKEN">
<xsd:enumeration value="fundgroup"/>
<xsd:enumeration value="funder_identifier"/>
<xsd:enumeration value="ror"/>
<xsd:enumeration value="funder_name"/>
<xsd:enumeration value="award_number"/>
</xsd:restriction>
</xsd:simpleType>
</xsd:attribute>
</xsd:complexType>
</xsd:element>
</xsd:schema>