EchoUTBasicProxy.xml

<?xml version="1.0" encoding="UTF-8"?>
<proxy xmlns="http://ws.apache.org/ns/synapse"
       name="EchoUTBasicProxy"
       transports="https,http"
       statistics="disable"
       trace="disable"
       startOnLoad="true">
   <target>
      <inSequence>
         <log level="custom" separator="," description="Log">
            <property name="Proxy" value="EchoUTWithBasicAuthProxy"/>
         </log>
         <property name="user_name" value="bob" scope="default" type="STRING"/>
         <property xmlns:ns="http://org.apache.synapse/xsd"
                   name="Authorization"
                   expression="fn:concat('Basic ', base64Encode(fn:concat(get-property('user_name'),':','bobpass')))"
                   scope="transport"
                   type="STRING"/>
         <log level="custom">
            <property name="Generated Authorization token" expression="$trp:Authorization"/>
         </log>
         <send>
            <endpoint>
               <address uri="https://localhost:9443/services/echo"/>
            </endpoint>
         </send>
      </inSequence>
      <outSequence>
         <log level="full"/>
         <header xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd"
                 name="wsse:Security"
                 scope="default"
                 action="remove"/>
         <send/>
      </outSequence>
      <faultSequence/>
   </target>
   <publishWSDL uri="http://localhost:9763/services/echo?wsdl"/>
   <description/>
</proxy>