From MS Excel Function
$MSExcel allows the user to add data from the Excel spreadsheet to output data set. The parameters are:
  1. File Name. String, the quotation is not required.
  2. Spreadsheet Name. String, the quotation is not required.
  3. Column Name. String, the quotation is not required.
  4. Use sequentially (optional). Integer, default if 0 that means 'random'. '1' or 'yes' means sequentially.

Example: $MSExcel(d:\sales.xls,Contracts,AgentName)

Limitation: the function is available for Windows systems only, not in Java edition.