Add Step 3: connection prompt to blog post

blog/posts/odoo-xml-rpc-hermes-agent.html

@@ -147,7 +147,17 @@ odoo:<br />
 
         <p>Set <code>readonly: true</code> if the agent only needs to query data (recommended for first setup). Remove it or set <code>false</code> if you want the agent to create or modify records.</p>
 
-        <h2>Step 3 — Start Hermes and Verify</h2>
+        <h2>Step 3 — Give Your Agent the Connection Prompt</h2>
+
+        <p>Now paste this prompt into your Hermes Agent session. It tells the agent exactly how to reach your Odoo database using the credentials from Step 2:</p>
+
+        <div class="cmd-block">
+Connect to the ODOO 19 database with the credentials $ODOO_URL $ODOO_USER $ODOO_APIKEY
+        </div>
+
+        <p>The agent reads the environment variables (or the config block you just set up) and establishes the XML-RPC connection. Once it confirms, you're ready to query data.</p>
+
+        <h2>Step 4 — Start Hermes and Verify</h2>
 
         <p>Start or restart your Hermes Agent:</p>