Fraunhofer SIT Cisco Systems, Inc. Huawei Technologies This document defines how to subscribe to YANG Event Streams for Remote Attestation Procedures (RATS). Specifically, this document defines a YANG module that augments the YANG module for Trusted Platform Module (TPM)-based Challenge-Response Remote Attestation (CHARRA), enabling subscription to RATS Conceptual Messages of the Evidence type and auxiliary Event Logs as part of that Evidence. The module defined requires at least one Trusted Platform Module (TPM) 1.2 or TPM 2.0 (or equivalent hardware implementation providing the same protected capabilities as a TPM) must be available on the Attester on which the YANG server is running.