Fields

• fileId

  ID

  Permanent internal identifier for this uploaded file asset.

• name

  String

  Original filename as uploaded by the author. Nullable for consistency with image name field.

• mimeType

  String

  MIME type of the file (e.g. "application/pdf", "application/zip"). Null if the content type could not be determined at upload time.

• signedUrl

  String

  Pre-signed URL for downloading the file. Valid for limited time (typically 1 hour). Do not persist; re-query to obtain fresh URLs.

• signedUrlExpiresAt

  EpochMillis

  Unix timestamp (milliseconds) when the signed URL expires.