I want to trigger the start of a workflow based on an ID Vault attribute
write. I followed the documentation to correctly set this up; however, one
thing I'm still puzzled on is the recipient attribute.

How is an identity bound to the workflow when the workflow is started
automatically by an ID Vault attribute write?

Do I have to bind an eDirectory attribute to <workflow name>:recipient?
This doesn't seem right because the specific identity is a runtime decision.