# SheetChangingInfo

**Kind**: interface | **Module**: [Excel](https://docs.interop.io/adapters/reference/javascript/excel/index.md)

**Source**: https://docs.interop.io/adapters/reference/javascript/excel/sheetchanginginfo/index.html

Information about the progress of incoming data chunks from Excel.

## Properties

- **`chunkIndex`** (`number`, required)
  In case of large updates, the Excel Adapter sends the update data in chunks.
  This field indicates which chunk has been received.
  Between 0 to (totalChunks - 1).
- **`totalChunks`** (`number`, required)
  In case of large updates, the Excel Adapter sends the update data in chunks.
  This field indicates the total number of chunks.