Decide signer later

This article details how you can use "decide later" for situations in which you might not know the details of all recipients. Say, for example, you are sending a document to a tenant, but you also need their guarantor to sign it. In this case, using "decide later" will allow your tenant to insert the details of their guarantor right before completing their part of the contract. This video shows how to set it up, followed by a demonstration of the process from the signer's perspective:

Letting the signers decide the next recipient can be used in conjunction with witnessing, when you do not have any information about witnesses.