Variable definition plugin
Core v2.2.0
The ${varname}).
<?xml version="1.0" encoding="UTF-8"?>
<config xmlns="http://org.webharvest/schema/2.1/core">
<def var="apiKey" value="abc123xyz"/>
<!-- Use the variable -->
<http url="https://api.example.com?key=${apiKey}"/>
</config><?xml version="1.0" encoding="UTF-8"?>
<config xmlns="http://org.webharvest/schema/2.1/core">
<def var="htmlContent">
<http url="https://example.com"/>
</def>
<!-- Extract data from stored HTML -->
<def var="title">
<xpath expression="//title/text()">
<html-to-xml>${htmlContent}</html-to-xml>
</xpath>
</def>
</config><?xml version="1.0" encoding="UTF-8"?>
<config xmlns="http://org.webharvest/schema/2.1/core">
<def var="baseUrl" value="https://example.com"/>
<def var="apiPath" value="/api/v1"/>
<!-- Combine variables -->
<def var="fullUrl" value="${baseUrl}${apiPath}/users"/>
<!-- Result: https://example.com/api/v1/users -->
</config><?xml version="1.0" encoding="UTF-8"?>
<config xmlns="http://org.webharvest/schema/2.1/core">
<def var="firstName" value="John"/>
<def var="lastName" value="Doe"/>
<def var="fullName">Hello, ${firstName} ${lastName}!</def>
<!-- Result: Hello, John Doe! -->
</config><?xml version="1.0" encoding="UTF-8"?>
<config xmlns="http://org.webharvest/schema/2.1/core">
<def var="productData">
<http url="https://api.example.com/product/123"/>
<json-to-xml>${http}</json-to-xml>
<xpath expression="//product/name/text()"/>
</def>
</config><?xml version="1.0" encoding="UTF-8"?>
<config xmlns="http://org.webharvest/schema/2.1/core">
<def var="counter" value="0"/>
<loop item="product" index="i" maxloops="100">
<http url="https://api.example.com/products"/>
<!-- Update counter (concatenation, not arithmetic) -->
<def var="counter" value="${counter}1"/>
</loop>
</config>