---
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title: Add a Condition to Your Flow Logic
collection: mulesoft
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content_type: documentation
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description: MuleSoft Documentation Site
latest: true
---
---
product: Anypoint Code Builder
version: master
---

# Add a Condition to Your Flow Logic

> For the full documentation index, see: https://docs.mulesoft.com/llms.txt

In this section of the tutorial, you learn how to add a condition to your flow to send an email to
the regional leader if the Salesforce case is escalated, otherwise your Mule application sends a
message to Slack.

## Before You Begin

Complete these procedures:

1.  [Integrate Salesforce Data into Slack and Email Notifications](https://docs.mulesoft.com/anypoint-code-builder/tut-slack-create-escalation-api).

2.  [Create a Configuration File for Slack and Salesforce](https://docs.mulesoft.com/anypoint-code-builder/tut-slack-create-config-files-sfdc) and
    configure your Salesforce integration.

3.  [Extract Payload Information to Variables](https://docs.mulesoft.com/anypoint-code-builder/tut-slack-extract-payload-information).

## Define the Behavior for When the Case Is Escalated

Use a Choice router to define behaviors based on specific conditions. In this case, choose to send
an email if the case is escalated.

1.  In Anypoint Code Builder, open your `new-case-salesforce.xml` file.

2.  Click the ![](/mulesoft/current/en-us/anypoint-code-builder/_images/icon-plus.png) (**Add component**) icon for the Logger component:

    ![A flow diagram with the Add Component button icon highlighted](/mulesoft/current/en-us/anypoint-code-builder/_images/add-choice-router-slack-escalation-canvas.png)

3.  Type `choice` and select **Choice** under **Flow Control**:

4.  Add the `<when/>` and `<otherwise/>` elements:

    ![Search result for 'when', with resulting highlighted text reading 'mule:when'](/mulesoft/current/en-us/anypoint-code-builder/_images/sync-api-choice-when.png)

    ```XML
    <choice doc:name="Choice">
       <when doc:name="When" >

       </when>
       <otherwise doc:name="Otherwise" >

       </otherwise>

    </choice>
    ```

    For better readability of your Mule flow, update the name of the `<choice/>`, `<when/>`, and
    `<otherwise/>` elements:

    ```XML
    <choice doc:name="Is Case Escalated?">
      <when doc:name="Escalated" >

      </when>
      <otherwise doc:name="Not Escalated" >

      </otherwise>
    </choice>
    ```

5.  Define the `when` branch to execute if the variable `casestatus` equals `Escalated`:

    ```XML
    <choice doc:name="Is Case Escalated?">
      <when doc:name="Escalated" expression='#[vars.casestatus == "Escalated"]'>

      </when>
      <otherwise doc:name="Not Escalated" >

      </otherwise>
    </choice>
    ```

## Add an Email Connector

To configure the `<when/>` element, you must first configure operations from the Anypoint Connector
for Email (Email Connector):

1.  In Anypoint Code Builder, open your `new-case-salesforce.xml` file, and add a new line under
    your `<salesforce:sfdc-config/>` element.

2.  Type `smtp` and select **email:smtp-config**:

    ```XML
    <email:smtp-config name="Email_SMTP">
      <email:smtps-connection host="${email.host}" user="${email.username}" password="${email.password}">
       <tls:context>
         <tls:trust-store insecure="true" />
       </tls:context>
      </email:smtps-connection>
    </email:smtp-config>
    ```

3.  Click the ![](/mulesoft/current/en-us/anypoint-code-builder/_images/icon-plus.png) (**Add component**) icon after the **Escalated** section:

    ![A Choice flow with the Escalated Add Component button icon highlighted](/mulesoft/current/en-us/anypoint-code-builder/_images/add-email-operation-slack-integration-canvas.png)

4.  Type `send` and select **Send** from the **Email** section:

    ![A list of components in the search results section, with Send highlighted](/mulesoft/current/en-us/anypoint-code-builder/_images/send-email-slack-integration-canvas.png)

5.  Configure `send` using the following code sample:

    ```XML
    <email:send config-ref="Email_SMTP" doc:name="Send Escalation Email" subject='#["Case " ++ vars.casenumber ++ " was escalated"]'>
      <email:to-addresses>
        <email:to-address value="${email.username}" />
      </email:to-addresses>
      <email:body contentType="text/html" >
        <email:content ><![CDATA[#["Please handle this case. " ++ payload]]]></email:content>
    </email:body>
    </email:send>
    ```

6.  To be able to test the application, temporarily add a `<logger/>` element inside your
    `<otherwise/>` element:

    ```XML
    <logger doc:name="Temporary Logger" message='#["Please look into this new Case: " ++ payload]'/>
    ```

7.  Examine your full Choice router configuration:

    ```XML
    <choice doc:name="Is Case Escalated?">
      <when doc:name="Escalated" expression='#[vars.casestatus == "Escalated"]'>
          <email:send config-ref="Email_SMTP" doc:name="Send Escalation Email" subject='#["Case " ++ vars.casenumber ++ " was escalated"]'>
                 <email:to-addresses>
                   <email:to-address value="${email.username}" />
                </email:to-addresses>
                <email:body contentType="text/html" >
                       <email:content ><![CDATA[#["Please handle this case. " ++ payload]]]></email:content>
                     </email:body>
               </email:send>
      </when>
      <otherwise doc:name="Not Escalated" >
        <logger doc:name="Temporary Logger" message='#["Please look into this new Case: " ++ payload]'/>
      </otherwise>
    </choice>
    ```

## Test Your Mule Application

1.  To expedite the test, remove the breakpoint for your Logger component.

2.  Select **Run** > **Start Debugging (F5)**.

3.  After your application deploys successfully, log in to your Salesforce account.

4.  From **App Launcher**, select **Service**:

    ![The Setup menu with Home and Service options highlighted](/mulesoft/current/en-us/anypoint-code-builder/_images/salesforce-select-service.png)

5.  Select **Cases** > **New Case**:

    ![The Service navigation bar with the New Case button highlighted in the Cases section](/mulesoft/current/en-us/anypoint-code-builder/_images/salesfroce-create-new-case.png)

6.  Ensure that the **Status** of the new case is **Escalated**.

7.  After a few seconds, ensure that your configured email account received an email with the
    information configured in the case:

    ```none
    Please handle this case. Case Number: 00001030, Origin: Phone, Case Type: , Priority: Medium, Status: Escalated
    ```

8.  Proceed to [Configure Slack Integration](https://docs.mulesoft.com/anypoint-code-builder/tut-slack-configure-integration) to learn how to
    configure the Slack message for any case that was not escalated.

[Extract Payload Information to Variables](https://docs.mulesoft.com/anypoint-code-builder/tut-slack-extract-payload-information)
[Configure Slack Integration](https://docs.mulesoft.com/anypoint-code-builder/tut-slack-configure-integration)