6# Callbacks

###Overview Callbacks can be used to execute code on predetermined moments.

####Usage

after_create do
  self.do_something
end

self refers to the instance you are in

###Avaiable Callbacks Here is a list with all the available callbacks, listed in the same order in which they will get called during the respective operations:

####Finding an Object

• after_initialize
• after_find

####Creating an Object

• after_initialize
• before_validation
• after_validation
• before_save
• before_create
• after_create
• after_save

####Updating an Object

• before_validation
• after_validation
• before_save
• before_update
• after_update
• after_save

####Destroying an Object

• before_destroy
• after_destroy