Parameter Description: Specifies the recipient of the merged document to be delivered via Sertifi.&SertifiSigner1Emailspecifies the Signer1 email address,&SertifiSigner2Emailspecifies the Signer2 email address.
Also available:SertifiSigner2Email. The email address must be associated with only one Salesforce Contact record. Email addresses that are associated with more than one Contact record will cause errors.