The document describes how to use the Batch Element Entry Spreadsheet Interface (BEE) to upload multiple assignment lines to elements or element sets in Oracle. Key steps include: 1) Creating a batch and saving it, which opens the BEE Spreadsheet Interface excel file. 2) Uploading data to the excel file carefully without changing formatting and using the correct effective date. 3) Uploading the flagged rows from the excel file back to Oracle using the upload function. 4) Checking the batch in Oracle to ensure successful uploading of lines.