diff --git a/src/dtls_parameters/parameters.h b/src/dtls_parameters/parameters.h
new file mode 100644
index 0000000..ac018a2
--- /dev/null
+++ b/src/dtls_parameters/parameters.h
@@ -0,0 +1,19 @@
+#pragma once
+#include <rawrtc/dtls_fingerprint.h>
+#include <rawrtc/dtls_parameters.h>
+#include <rawrtc/dtls_transport.h>
+#include <rawrtcc/code.h>
+#include <re.h>
+
+struct rawrtc_dtls_parameters {
+    enum rawrtc_dtls_role role;
+    struct rawrtc_dtls_fingerprints* fingerprints;
+};
+
+enum rawrtc_code rawrtc_dtls_parameters_create_internal(
+    struct rawrtc_dtls_parameters** const parametersp,  // de-referenced
+    enum rawrtc_dtls_role const role,
+    struct list* const fingerprints);
+
+int rawrtc_dtls_parameters_debug(
+    struct re_printf* const pf, struct rawrtc_dtls_parameters const* const parameters);