IDT Secured connection customizing connection string

We currently have a connection to MS SQL 2012 that we manage within Information Design Tool. We would like to be able to connect to the ReadOnly version of the database and would typically include the following parameter in the connection string: ApplicationIntent: ReadOnly. I have tried adding ApplicationIntent as a custom parameter but that did not work. I have not been able to find any additional information on doing this.

Is there any way to customize the connection string to include additional parameters?

We are currently on BOBJ 4.0 SP6, Patch 2.

Thank you,

Sarah