You plan to deploy a service named Service1.
When you deploy Service1, you plan to deploy several SQL scripts to a virtual machine named VM1 by using an Application Profile.
You need that ensure that a user named User1 is prompted for the name of the SQL instance during the deployment of Service1.
Which value should you add to the Application Profile?

A.
$SQLServerInstanceName$

B.
#SQLServerInstanceName#

C.
@SQLServerInstanceName@

D.
%SQLServerInstanceName%

Explanation:
https://blogs.technet.com/b/scvmm/archive/2011/09/27/vmm-2012-sql-server-profile.aspx?Redirected=true