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<title>40.&nbsp;Addressing an Instance</title><link rel="stylesheet" type="text/css" href="css/manual-multipage.css"><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="multi_spring-cloud.html" title="Spring Cloud"><link rel="up" href="multi__spring_cloud_bus.html" title="Part&nbsp;VI.&nbsp;Spring Cloud Bus"><link rel="prev" href="multi__quick_start_2.html" title="39.&nbsp;Quick Start"><link rel="next" href="multi__addressing_all_instances_of_a_service.html" title="41.&nbsp;Addressing all instances of a service"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">40.&nbsp;Addressing an Instance</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="multi__quick_start_2.html">Prev</a>&nbsp;</td><th width="60%" align="center">Part&nbsp;VI.&nbsp;Spring Cloud Bus</th><td width="20%" align="right">&nbsp;<a accesskey="n" href="multi__addressing_all_instances_of_a_service.html">Next</a></td></tr></table><hr></div><div class="chapter"><div class="titlepage"><div><div><h2 class="title"><a name="_addressing_an_instance" href="#_addressing_an_instance"></a>40.&nbsp;Addressing an Instance</h2></div></div></div><p>The HTTP endpoints accept a "destination" parameter, e.g. "/bus/refresh?destination=customers:9000", where the destination is an <code class="literal">ApplicationContext</code> ID. If the ID is owned by an instance on the Bus then it will process the message and all other instances will ignore it. Spring Boot sets the ID for you in the <code class="literal">ContextIdApplicationContextInitializer</code> to a combination of the <code class="literal">spring.application.name</code>, active profiles and <code class="literal">server.port</code> by default.</p></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="multi__quick_start_2.html">Prev</a>&nbsp;</td><td width="20%" align="center"><a accesskey="u" href="multi__spring_cloud_bus.html">Up</a></td><td width="40%" align="right">&nbsp;<a accesskey="n" href="multi__addressing_all_instances_of_a_service.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">39.&nbsp;Quick Start&nbsp;</td><td width="20%" align="center"><a accesskey="h" href="multi_spring-cloud.html">Home</a></td><td width="40%" align="right" valign="top">&nbsp;41.&nbsp;Addressing all instances of a service</td></tr></table></div></body></html>