diff --git a/examples/incr_5/amy.c b/examples/incr_5/amy.c
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--- /dev/null
+++ b/examples/incr_5/amy.c
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+/* This example demonstrates:
+- After connecting, ports can exchange messages
+- Message exchange is conducted in two phases:
+	1. preparing with `connector_put`, `connector_get`, and
+	2. completing with `connector_sync`.
+	This paradigm is similar to that for sockets in non-blocking mode.
+- The connector stores messages received during sync. they can be inspected using `connector_gotten_bytes`.
+- Ports created using `connector_add_port_pair` behave as a synchronous channel; messages sent in one end are received at the other.
+*/
+#include <stdio.h>
+#include <string.h>
+#include "../../reowolf.h"
+#include "../utility.c"
+
+int main(int argc, char** argv) {
+	char * pdl_ptr = buffer_pdl("eg_protocols.pdl");
+	size_t pdl_len = strlen(pdl_ptr);
+	Arc_ProtocolDescription * pd = protocol_description_parse(pdl_ptr, pdl_len);
+	Connector * c = connector_new(pd);
+	
+	PortId putter, getter;
+	connector_add_port_pair(c, &putter, &getter);
+	connector_connect(c, -1);
+	connector_print_debug(c);
+	
+	connector_put_bytes(c, putter, "hello", 5);
+	connector_get(c, getter);
+	
+	connector_sync(c, -1); // -1 means infinite timeout duration
+	size_t msg_len;
+	const char * msg_ptr = connector_gotten_bytes(c, getter, &msg_len);
+	printf("Got msg `%.*s`\n", (int) msg_len, msg_ptr);
+	
+	
+	protocol_description_destroy(pd);
+	connector_destroy(c);
+	free(pdl_ptr);
+	return 0;
+}