Create RestMessage.js

Build the prompt dynamically from the record in ServiceNow

Author: RaviGaurav007

Integration/RESTMessageV2/OpenAI/RestMessage.js

@@ -0,0 +1,41 @@
+/* Secnario :
+Whenever a record (for example, an Incident) is created or updated,
+ServiceNow will automatically send a text prompt (like short description or work notes)
+to OpenAI ChatGPT API, get the response, and save it back to a field (like u_ai_summary)*/
+
+-----
+//Script
+    try {
+        // Build the prompt dynamically from the record
+        var userPrompt = "Summarize this issue in one sentence: " + current.short_description;
+        if (!userPrompt) return;
+
+        // Prepare REST Message
+        var rest = new sn_ws.RESTMessageV2('OpenAI ChatGPT', 'POST'); // name & method
+        rest.setStringParameter('prompt', userPrompt); // replaces ${prompt} in body
+
+        // Execute API call
+        var response = rest.execute();
+        var responseBody = response.getBody();
+        var status = response.getStatusCode();
+
+        if (status != 200) {
+            gs.error("OpenAI API error: " + responseBody);
+            return;
+        }
+
+        // Parse and store response
+        var data = new global.JSON().decode(responseBody);
+        var aiResponse = data.choices[0].message.content;
+
+        // Save to custom field (u_ai_summary)
+        current.u_ai_summary = aiResponse;
+        current.update();
+
+        gs.info("AI Summary added for incident: " + current.number);
+
+    } catch (e) {
+        gs.error("Error calling OpenAI ChatGPT: " + e.message);
+    }
+
+