Question about plea deals

[zen at freedbms.net (Zenaan Harkness)]

On Mon, Jan 07, 2019 at 09:22:21PM -0800, Douglas Lucas wrote:
> Lawyers tell me that most/all plea deals have a boilerplate paragraph
> stating that what isn't written in the plea deal doesn't count.
> 
> For example in alleged WikiLeaks courier Matt DeHart's plea deal --
> http://douglaslucas.com/files/DeHart_PleaAgreement.pdf -- on PDF page 13
> there's this text: "29. No promises, agreements, or conditions have been
> entered into other than those set forth in this Plea Agreement, and none
> will be entered into unless memorialized in writing and signed by all of
> the parties listed below."
> 
> Does anyone know what the generic term/name is for that kind of
> paragraph in a contract (preferably, in a plea deal specifically)?
> 
> I ask the lawyers and they say there is such a generic term and they
> just can't remember.

Your project/ purpose for this?