diff --git a/packages/plugin-ext/src/plugin/plugin-context.ts b/packages/plugin-ext/src/plugin/plugin-context.ts
index 08969dd8b77b8..4ebc414f569d5 100644
--- a/packages/plugin-ext/src/plugin/plugin-context.ts
+++ b/packages/plugin-ext/src/plugin/plugin-context.ts
@@ -82,6 +82,7 @@ import {
     CodeLens,
     CodeActionKind,
     CodeActionTrigger,
+    CodeActionTriggerKind,
     TextDocumentSaveReason,
     CodeAction,
     TreeItem,
@@ -896,6 +897,7 @@ export function createAPIFactory(
             CodeLens,
             CodeActionKind,
             CodeActionTrigger,
+            CodeActionTriggerKind,
             TextDocumentSaveReason,
             CodeAction,
             TreeItem,
diff --git a/packages/plugin-ext/src/plugin/types-impl.ts b/packages/plugin-ext/src/plugin/types-impl.ts
index 5b039ddca5652..deddabecd5c2c 100644
--- a/packages/plugin-ext/src/plugin/types-impl.ts
+++ b/packages/plugin-ext/src/plugin/types-impl.ts
@@ -1012,6 +1012,24 @@ export enum CodeActionTrigger {
     Manual = 2,
 }
 
+/**
+ * The reason why code actions were requested.
+ */
+export enum CodeActionTriggerKind {
+    /**
+     * Code actions were explicitly requested by the user or by an extension.
+     */
+    Invoke = 1,
+
+    /**
+     * Code actions were requested automatically.
+     *
+     * This typically happens when current selection in a file changes, but can
+     * also be triggered when file content changes.
+     */
+    Automatic = 2,
+}
+
 export class CodeActionKind {
     private static readonly sep = '.';