[Serverless][8.16] Logs request during preview rule execution

docs/detections/rules-ui-create.asciidoc

@@ -820,3 +820,20 @@ TIP: Avoid setting long time ranges with short rule intervals, or the rule previ
 
 * To close the preview, click the *Rule preview* button again.
 
+[discrete]
+[[debug-rule-queries]]
+==== Debug rule queries (optional)
+
+NOTE: This option is only offered for {esql} rules.
+
+When previewing an {esql} rule, you can also learn more about the {es} queries that are submitted when the rule runs. This information can be helpful for identifying and troubleshooting potential rule issues, or validating that your rule is retrieving the expected data.    
+
+To learn more your rule's {es} queries, preview its results and do the following:
+
+. Beneath the rule preview's date and time picker, find the **Show Elasticsearch requests, ran during rule executions** option and select it. The **Preview logged results** section displays under the the histogram and alerts table in the panel. 
+. Expand the **Preview logged results** section to display subsections with more information about the rule's {es} queries. The following details are provided:
+** The expected start date and time of each rule execution and how long it took to complete
+** A brief explanation of the {es} queries
+** The actual {es} queries that the rule submits when it runs   
++
+TIP: Copy the queries and run them in Dev Tools (**{kib}** -> **Management** -> **Dev Tools**) to determine if your rule is retrieving the expected data.

docs/serverless/rules/rules-ui-create.mdx

@@ -875,3 +875,24 @@ To interact with the rule preview:
 
 * To close the preview, click the **Rule preview** button again.
 
+<div id="debug-rule-queries"></div>
+
+### Debug rule queries (optional)
+
+<DocCallOut title="Note">
+This option is only offered for ((esql)) rules.
+</DocCallOut>
+
+When previewing an ((esql)) rule, you can also learn more about the ((es)) queries that are submitted when the rule runs. This information can be helpful for identifying and troubleshooting potential rule issues, or validating that your rule is retrieving the expected data.    
+
+To learn more your rule's ((es)) queries, preview its results and do the following:
+
+1. Beneath the rule preview's date and time picker, find the **Show Elasticsearch requests, ran during rule executions** option and select it. The **Preview logged results** section displays under the the histogram and alerts table in the panel. 
+1. Expand the **Preview logged results** section to display subsections with more information about the rule's ((es)) queries. The following details are provided:
+    * The expected start date and time of each rule execution and how long it took to complete
+    * A brief explanation of the ((es)) queries
+    * The actual ((es)) queries that the rule submits when it runs   
+
+        <DocCallOut title="Tip">
+        Copy the queries and run them in Console (**Developer tools** -> **Console**) to determine if your rule is retrieving the expected data.
+        </DocCallOut>