           @push(klass.from_json(result, @_klasses))
 
     @_timer    = null
-    _start_sync(every)
+    @_start_sync(options.every || 0)
+
 
   # @nodoc
-  @_start_sync: (every) ->
+  _start_sync: (every) ->
     if (every != 0)
       @_timer = setInterval(@remote, every)
 

  # @param value [Any] - actual value
  # @return [Model | null]
  find: (key, value) ->
    @findAll(key, value)[0] || null

  #
  # find all models by key with value

  # Return index of model in collection or null, if not found
  # @param model [T <: Sirius.BaseModel]
  # @return [Numeric | null]
  index: (other) ->
    inx = null
    for model, i in @_array when model.compare(other) then inx = i
    inx

  #
