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Chapter 152. Slack

Slack Component
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Available as of Camel 2.16
The Slack component allows you to connect to an instance of Slack and delivers a message contained in the message body via a pre established Slack incoming webhook.
Maven users will need to add the following dependency to their pom.xml for this component: 
<dependency>
    <groupId>org.apache.camel</groupId>
    <artifactId>camel-slack</artifactId>
    <version>2.17.0.redhat-630xxx</version>
    <!-- use the same version as your Camel core version -->
</dependency>
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URI format
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To send a message to a channel. 
slack:#channel[?options]
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To send a direct message to a slackuser. 
slack:@username[?options]
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Options
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Expand
Name
Description
Example
username
This is the username that the bot will have when sending messages to a channel or user.
username=CamelUser
iconUrl The avatar that the component will use when sending message to a channel or user. iconUrl=http://somehost.com/avatar.gif
iconEmoji Use a Slack emoji as an avatar iconEmoji=:camel:

SlackComponent
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The SlackComponent with XML must be configured as a Spring or Blueprint bean that contains the incoming webhook url for the integration as a parameter. 
<bean id="slack" class="org.apache.camel.component.slack.SlackComponent">
    <property name="webhookUrl" value="https://hooks.slack.com/services/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"/>
</bean>
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For Java you can configure this using Java code.

Example
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A CamelContext with Blueprint could be as: 
<?xml version="1.0" encoding="UTF-8"?>
<blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0" default-activation="lazy">

    <bean id="slack" class="org.apache.camel.component.slack.SlackComponent">
        <property name="webhookUrl" value="https://hooks.slack.com/services/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"/>
    </bean>

    <camelContext xmlns="http://camel.apache.org/schema/blueprint">
        <route>
            <from uri="direct:test"/>
            <to uri="slack:#channel?iconEmoji=:camel:&amp;username=CamelTest"/>
        </route>
    </camelContext>

</blueprint>
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