function main(workbook: ExcelScript.Workbook) {
    let selectedCell = workbook.getActiveCell();
    let selectedSheet = workbook.getActiveWorksheet();

    // Set fill colour to yellow for the selected cell.
    selectedCell.getFormat().getFill().setColor("yellow");

    // Get the hyperlink of the active cell.
    let hyperlink = selectedCell.getHyperlink();

    // Print the hyperlink in the console.
    // console.log("Hyperlink: " + JSON.stringify(hyperlink.address));

    // Check if there is a selected cell.
    if (selectedCell) {
        // Get the column index of the selected cell.
        let selectedColumnIndex = selectedCell.getColumnIndex();

        // Get the active sheet.
        let selectedSheet = workbook.getActiveWorksheet();

        // Get the number of rows in the sheet.
        let rowCount = 10932;

        // Iterate through each row and copy the value from the selected column to a new column.
        for (let rowIndex = 0; rowIndex < rowCount; rowIndex++) {
            // Get the value from the selected column.
            let cellValue = selectedSheet.getCell(rowIndex, selectedColumnIndex).getHyperlink()?.address;

            // Assume the new column is next to the selected column. You can adjust the index as needed.
            let newColumnIndex = selectedColumnIndex + 1;

            // Set the value in the new column.
            selectedSheet.getCell(rowIndex, newColumnIndex).setValue(cellValue);
        }

        console.log("New column created with values from the selected column.");
    } else {
        console.log("No cell selected.");
    }
}