here is the code:

export async function updateCellsToLeftOfValues({

  sheetId,

  tabName,

  searchValues,

  newValues

}: {

  sheetId: string;

  tabName: string;

  searchValues: string[];

  newValues: string[];

}): Promise<{ result: string }> {

  // Ensure the searchValues and newValues arrays are of the same length

  if (searchValues.length !== newValues.length) {

    throw new Error("The length of searchValues and newValues must be the same.");

  }

  // Construct the range to search the entire sheet

  const range = `${tabName}!A:Z`;

  // Fetch the values from the specified range

  const getUrl = `https://sheets.googleapis.com/v4/spreadsheets/${sheetId}/values/${range}`;

  const getResponse = await fetchWithZapier(getUrl);

  await getResponse.throwErrorIfNotOk();

  const data = await getResponse.json();

  // Prepare the updates

  const updates = [];

  // Find the cells containing the search values

  for (let i = 0; i < searchValues.length; i++) {

    const searchValue = searchValues[i];

    let found = false;

    for (let rowIndex = 0; rowIndex < data.values.length; rowIndex++) {

      for (let colIndex = 0; colIndex < data.values[rowIndex].length; colIndex++) {

        if (data.values[rowIndex][colIndex] === searchValue) {

          // Ensure we are not in the first column

          if (colIndex > 0) {

            const updateRange = `${tabName}!${String.fromCharCode(65 + colIndex - 1)}${rowIndex + 1}`;

            updates.push({

              range: updateRange,

              values: [[newValues[i]]]

            });

            found = true;

            break;

          }

        }

      }

      if (found) break;

    }

    if (!found) {

      throw new Error(`Value "${searchValue}" not found in the sheet.`);

    }

  }

  // Perform the updates

  for (const update of updates) {

    const updateUrl = `https://sheets.googleapis.com/v4/spreadsheets/${sheetId}/values/${update.range}?valueInputOption=RAW`;

    const updateResponse = await fetchWithZapier(updateUrl, {

      method: 'PUT',

      headers: {

        'Content-Type': 'application/json'

      },

      body: JSON.stringify({

        range: update.range,

        majorDimension: "ROWS",

        values: update.values

      })

    });

    await updateResponse.throwErrorIfNotOk();

  }

  return { result: `Updated ${updates.length} cells with new values.` };

}