diff --git a/src/server/mysql.h b/src/server/mysql.h
--- a/src/server/mysql.h
+++ b/src/server/mysql.h
@@ -66,7 +66,10 @@ int change_job_priority(distrend_mysql_c
 */
 int find_jobframe(distrend_mysql_conn_t conn, int32_t slaveKey, jobnum_t *jobKey, int32_t *frameNum);
 
-
+/**
+  Slave Authenticator: Checks to see if a slave's ID and password match
+*/
+int auth_slave(distrend_mysql_conn_t conn, int32_t slavekey, int32_t slavepass);
 
 
 #endif /* MYSQL_H_ */