diff --git a/csys/csys.lisp b/csys/csys.lisp
index 149d194..17ddb62 100644
--- a/csys/csys.lisp
+++ b/csys/csys.lisp
@@ -21,12 +21,10 @@
 
 (defclass scope ()
   ((value :accessor value :initarg :value :initform 0)
-   ;(params :accessor params :initarg :params :initform nil)     ; <- program
    (categ :accessor categ :initarg :categ :initform '(:csys :c00))
    (stage :accessor stage :initarg :stage :initform :initial)
    (proc :accessor proc)
    (program :reader program :initarg :program)
-   ;(actions :accessor actions :initarg :actions :initform nil)  ; <- program
    (syns :accessor syns :initform nil)
    (environ :reader environ :initarg :environ)))
 
@@ -75,12 +73,18 @@
 (defun process (scope)
   (lambda (msg) (funcall (proc scope) msg scope)))
 
-(defun std-proc (msg scope)
+(defun std-proc (msg scope &key (default #'remember) params actions)
   (destructuring-bind (nmsg nscope) 
-        (handle-action msg scope :default #'remember) ; + params, actions
+      (handle-action msg scope :default default :actions actions :params params)
     (forward nmsg (syns nscope))
     (update nscope)))
 
+(defun eff-proc (msg scope &key params actions)
+  (destructuring-bind (nmsg nscope) 
+      (handle-action msg scope :default #'no-op :actions actions :params params)
+    (notify nmsg nscope)
+    (update nscope)))
+
 (defun create (msg scope)
   (let ((new (neuron (apply #'reset-scope scope (shape:data msg)))))
     (notify-created msg new scope)))
@@ -97,7 +101,6 @@
 
 (defun handle-action (msg scope &key (default #'no-op) actions params)
   (let* ((key (message:action msg))
-         ;(act (gethash key (actions scope) default))
          (act (getf actions key (getf actions :default default))))
     (apply act msg scope params)))
 
@@ -105,8 +108,7 @@
   (let* ((head (list (message:domain msg) :created))
          (data (util:plist-merge (shape:data msg) `(:new ,new :parent ,actor:*self*)))
          (msg1 (message:create head :data data))) 
-    (notify msg1 scope))
-  )
+    (notify msg1 scope)))
 
 ;;;; predefined neuron actions
 
@@ -115,5 +117,4 @@
 
 (defun remember (msg scope)
   (setf (value scope) (shape:data-value msg :value))
-  ;(list msg (make-neuron-state (shape:data msg) syns))
   (list msg scope))
diff --git a/test/test-core.lisp b/test/test-core.lisp
index de7a6af..df73109 100644
--- a/test/test-core.lisp
+++ b/test/test-core.lisp
@@ -99,6 +99,10 @@
   (let ((pl '(:a 0)))
     (== (util:plist-add pl :b 1) '(:b 1 :a 0))
     (== pl '(:b 1 :a 0)))
+  (util:mv-bind (a &optional (b :not-set) (c :not-set)) (values 42 2)
+    (== a 42)
+    (== b 2)
+    (== c :not-set))
   (util:load-dotenv (t:test-path ".test.env"))
   (== (util:getenv "SCOPES_USER") "user-from-env-file")
   (== (util:getenv "SCOPES_PASSWORD") "very_secret"))
diff --git a/test/test-csys.lisp b/test/test-csys.lisp
index de01794..244fecf 100644
--- a/test/test-csys.lisp
+++ b/test/test-csys.lisp
@@ -52,18 +52,18 @@
 
 ;;;; test: initialization
 
-(defun setup-test-basic-0 ()
+(defun setup-test (prg)
   (setup-config)
   (core:setup-services)
   (let* ((recv (core:find-service :test-receiver))
          (env (environ:create #'proc-env t:*test-suite*)))
     (setf (tc:receiver t:*test-suite*) recv)
     ;(csys:create-zero (test-program) env)
-    (csys:create-zero (csys:make-program #'csys:std-proc) env)
+    (csys:create-zero prg env)
     env))
 
 (deftest test-basic-0 ()
-  (let ((env (setup-test-basic-0)))
+  (let ((env (setup-test (csys:make-program #'csys:std-proc))))
     (sleep 0.1)
     (actor:send env (message:create '(:csys :value :c00 "0-0") :data '(:value 1)))
     (sleep 0.1)
diff --git a/util/util.lisp b/util/util.lisp
index 13c8e2a..80add3d 100644
--- a/util/util.lisp
+++ b/util/util.lisp
@@ -11,6 +11,7 @@
            #:rfill #:rtrim 
            #:loop-plist #:filter-plist #:map-plist 
            #:plist-pairs #:plist-equal #:plist-add #:plist-merge
+           #:mv-bind
            #:flatten-str #:from-keyword #:to-keyword #:to-integer #:to-string
            #:from-bytes #:to-bytes #:b64-decode #:b64-encode #:from-b64 #:to-b64
            #:absolute-dir #:check-dir #:ensure-dir #:home-path #:path-from-string
@@ -97,6 +98,9 @@
 (defmacro plist-add (pl k v)
   `(setf ,pl (cons ,k (cons ,v ,pl))))
 
+(defmacro mv-bind (vars vform &body body)
+  `(destructuring-bind ,vars (multiple-value-list ,vform) ,@body))
+
 ;;;; strings, symbols, keywords, ...
 
 (defun flatten-str (s &key (sep " "))