BD-3747 Add Close Message metric

_docs/_user_guide/data_and_analytics/report_metrics.md

@@ -254,6 +254,18 @@ For example, if a user triggers an in-app message twice and converts after each
 
 {% api %}
 
+### Close Message
+
+{% apitags %}
+In-App Message
+{% endapitags %}
+
+{% multi_lang_include metrics.md metric='Close Message' %}
+
+{% endapi %}
+
+{% api %}
+
 ### Conversion Rate
 
 {% apitags %}

_includes/campaign_analytics.md

@@ -366,7 +366,11 @@ Here are some key in-app message metrics you may see in your analytics. To see t
         </tr>
         <tr>
             <td class="no-split"><a href="/docs/user_guide/data_and_analytics/report_metrics/#conversion-rate">Conversion Rate</a></td>
-            <td>{% multi_lang_include metrics.md metric='Conversion Rate' %}</td>
+            <td class="no-split">{% multi_lang_include metrics.md metric='Conversion Rate' %}</td>
+        </tr>
+        <tr>
+            <td class="no-split"><a href="/docs/user_guide/data_and_analytics/report_metrics/#close-message">Close Message</a></td>
+            <td class="no-split">{% multi_lang_include metrics.md metric='Close Message' %}</td>
         </tr>
     </tbody>
 </table>

_includes/metrics.md

@@ -54,6 +54,10 @@ Push Story Notifications record a <i>Body Click</i> when the notification is cli
 <i>Click-to-Open Rate</i> is the percentage of delivered emails that have been opened by a single user or machine at least once, and is only available in the <a href='https://braze.com/docs/user_guide/data_and_analytics/reporting/report_builder/'>Report Builder</a>.
 {% endif %}
 
+{% if include.metric == "Close Message" %}
+<i>Close Message</i> is the total number of clicks on the close button of the message. This only exists for in-app messages created in the drag-and-drop editor, not the traditional editor.
+{% endif %}
+
 {% if include.metric == "Confirmed Deliveries" %}
 <i>Confirmed Deliveries</i> are when the carrier has confirmed the message was delivered to the target phone number.
 {% endif %}