how to change Notifier email id

Are you asking about changing the recipient email address, so that a different person can receive your submissions over email?

You can change the recipient address by opening your Email Notification (Setup & Embed > Emails > Notification):

In the window that opens, click on Reply-To and Recipient Settings button at the bottom.

Finally, change the recipient address in the Recipient Email field:

If you wish to have it sending to multiple addresses, you can follow our guide on how to Send Form Emails to Multiple Recipients.

Please let us know if you need further assistance.