Please expand on your request, were you part of the Signature process on a certain envelope and you need to be able to locate that envelope? The id 815107 does not correspond with any DocuSign Envelope ID that I am familiar with so I cannot determine what you are asking.

Good morning, I do not know how to choose a 2nd and third applicant's signature. Can you please walk me through this?

Thank you.

 Please review the following DocuSin article....Step 2 shows you where to select the Recipient when adding fields to associate to Recipient 2 and 3 etc...

https://support.docusign.com/en/guides/ndse-user-guide-add-fields