AP-7734 # added username to uploadPrefillData

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+### Added
+
+- `username` prop to `uploadPrefillData`
+
 ## [6.0.0] - 2026-03-31
 
 ### Added

src/OneBlinkUploader.ts

@@ -435,13 +435,16 @@ export default class OneBlinkUploader {
   async uploadPrefillData({
     formId,
     prefillData,
+    username,
     onProgress,
     abortSignal,
   }: UploadOptions & {
     /** The identifier for the form that the prefill data is associated with */
     formId: number
     /** The prefill data to upload */
     prefillData: SubmissionTypes.NewS3SubmissionData['submission']
+    /** A username to allow a single user to download the prefill data */
+    username?: string
   }) {
     return await uploadToS3<{
       preFillFormDataId: string
@@ -452,6 +455,9 @@ export default class OneBlinkUploader {
       key: `forms/${formId}/pre-fill`,
       abortSignal,
       onProgress,
+      requestBodyHeader: {
+        username: username ? encodeURIComponent(username) : undefined,
+      },
     })
   }