code: function(property_name) {
  
  		if (!(property_name in this._data_bindings_by_property)) {
  
  			this._data_bindings_by_property[property_name] = new Lava.scope.DataBinding(this, property_name);
  
  		}
  
  		return this._data_bindings_by_property[property_name];
  
  	}
docs: Get a scope, which is bound to property of the value of this container
  @param {string} property_name
  @returns {Lava.scope.DataBinding}