their own obligations. The consent found within a contract is made evident by the bargain exchanged by the parties. In Zap, the bargained-for exchange was enough, as with most contracts, to support the consent of its terms. The engineer gave up his constitutional right to be free from warrantless and suspicionless government searches in return for obtaining government busine under the Iowa Constitution. See Ochoa, 792 N.W.2d at 291. Many courts across the nation have concluded that consent-search provisions in probation agreements constitute a waiver of search-and-seizure rights. See United States v. Barnett, 415 F.3d 690, 691-92 (7th Cir.2005) (finding consent-search provision in a probation agreement was voluntary); State v. Montgomery, 115 Ariz. 583, 566 P.2d 1329, 1330-31 (1977) (<HOLDING>); People v. Bravo, 43 Cal.3d 600, 238 Cal.Rptr.
holding that consentsearch provision of a probation agreement was voluntary even though defendant would have been sent to prison if he rejected it holding consentsearch provision in parole agreement was coerced and involuntary holding probationer voluntarily accepted consentsearch provision by accepting probation holding probationer prospectively consents to searches by signing probation agreement holding that the special needs of wisconsins probation system justified a warrantless search of a probationer by probation officers pursuant to a wisconsin regulation that allowed probation searches based on reasonable grounds