To automate your process even further, you can automatically update Interested leads to your Google Sheets by setting up a Zapier.
Here are the steps on how to add interested leads to Google Sheets.
Connect your Instantly account to Zapier and choose an event.
Click Continue.
Choose a workspace or connect a new account and click Continue.
In Trigger tab, set a campaign and for event type, choose 'Lead is marked as interested.'
Click Continue and choose Trigger.
Click Continue.
Connect your Google Sheets and select Create Spreadsheet Row on the event type field.
Click Continue and choose your Google Drive.
Select the Spreadsheet and Worksheet type.
Map the fields with the required information and click Continue.
Select Test action and click Publish Zap.
Note: You can also use this flow to set up a Zapier to automatically update interested leads to your Google Sheets.