diff --git a/structure/main.ts b/structure/main.ts
index 40b7a2a3..7b05b299 100644
--- a/structure/main.ts
+++ b/structure/main.ts
@@ -1,4 +1,29 @@
 
+/**
+ * Params of aiplacement_courseassist_summarise_text WS.
+ *
+ * WS Description: Summarise text for the Course Assistance Placement
+ */
+type AiplacementCourseassistSummariseTextWSParams = {
+    contextid: number; // The context ID.
+    prompttext: string; // The prompt text for the AI service.
+};
+
+/**
+ * Data returned by aiplacement_courseassist_summarise_text WS.
+ *
+ * WS Description: Summarise text for the Course Assistance Placement
+ */
+export type AiplacementCourseassistSummariseTextWSResponse = {
+    success: boolean; // Was the request successful.
+    timecreated: number; // The time the request was created.
+    prompttext: string; // The prompt text for the AI service.
+    generatedcontent?: string; // The text generated by AI.
+    finishreason?: string; // The reason generation was stopped.
+    errorcode?: number; // Error code if any.
+    error?: string; // Error message if any.
+};
+
 /**
  * Params of aiplacement_editor_generate_image WS.
  *