diff --git a/.changeset/red-news-pull.md b/.changeset/red-news-pull.md
new file mode 100644
index 0000000000..328a90185e
--- /dev/null
+++ b/.changeset/red-news-pull.md
@@ -0,0 +1,5 @@
+---
+"@jspsych/plugin-audio-button-response": patch
+---
+
+annotate missing stimulus data field
diff --git a/packages/plugin-audio-button-response/src/index.ts b/packages/plugin-audio-button-response/src/index.ts
index 96ad72ecf7..c510f91587 100644
--- a/packages/plugin-audio-button-response/src/index.ts
+++ b/packages/plugin-audio-button-response/src/index.ts
@@ -100,6 +100,10 @@ const info = <const>{
     },
   },
   data: {
+    /** The path of the audio file that was played. */
+    stimulus: {
+      type: ParameterType.STRING,
+    },
     /** The response time in milliseconds for the participant to make a response. The time is measured from
      * when the stimulus first began playing until the participant's response.*/
     rt: {