diff --git a/Server-Side Components/Business Rules/Pdf Letter create/README.md b/Server-Side Components/Business Rules/Pdf Letter create/README.md
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+#Contribution
+
+The Business Rule is triggered after an update on the (HR case)"sn_hr_core_case" table, specifically when the case state is set to "Work in Progress". This rule generates a PDF letter based on the trigerred conditions.
+
+Document Template created seperately. Document Template Name - PDF Letter Employee.The Document Template Sys ID is passed within the script, and the corresponding document template has been created separately (refer to the attached screenshot for reference).
+Document Template -> All Document Templates - > New
+As per the script, the PDF letter is generated and named using the HR case subject's name — for example:
+"Letter: " + empName + ".pdf".
+
+Functionality -
+When a fulfiller changes the case state to "Work in Progress", the PDF letter is automatically generated and attached to the HR case record.
+
+Business Rule Description -
+
+Name - pdf Letter generation
+Table - sn_hr_core_case
+Condition - state is "work in Progress"
+Update - Check the box
+When -select after
+
+This BR will prevent the duplicate letter generation for multiple updates in work in Progress state.
diff --git a/Server-Side Components/Business Rules/Pdf Letter create/letter.js b/Server-Side Components/Business Rules/Pdf Letter create/letter.js
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+
+(function executeRule(current, previous /*null when async*/ ) {
+
+    // Add your code here
+    var recordId = current.sys_id.toString();  
+    var empName = current.subject_person;
+
+    var templateId1 = gs.getProperty("sn_hr_core.letter"); // Document Template sysid
+
+
+    var pdfFileName1 = 'Letter:' +empName+ '.pdf'; //letter  name
+
+
+    gs.info('[PDF Generation] HRC Number ' + recordId);
+
+    try {
+
+      var attachmentGR = new GlideRecord('sys_attachment');             //if any pdf letter attached
+        attachmentGR.addQuery('table_name', 'sn_hr_core_case');
+        attachmentGR.addQuery('table_sys_id', recordId);
+        attachmentGR.addQuery('file_name', pdfFileName1);
+        attachmentGR.query();
+
+        if (!attachmentGR.hasNext()) {               //check for new letter
+            var docGen1 = new sn_doc.GenerateDocumentAPI();
+            docGen1.generateDocumentForTask(recordId, templateId1, pdfFileName1); // genereate pdf letter
+
+            gs.info('[PDF Generation] PDF attached to HRC: ' + recordId);
+        }
+    }
+
+
+     catch (ex) {
+        gs.error('[PDF Generation] Failed: ' + ex.message);
+    }
+    current.setWorkflow(false);
+}
+
+
+
+})(current, previous);