action = something Drupal does
trigger = specific operation in a book
writing code, then applying it to a trigger
advanced actions
hook_action_info - describe the action
write the function that does the action
configurable actions
hook_action_info - describe
write the func
provided the form for the config form
validate
provide submit function
returned from submit function
keyed array of field and values returned
save to db
every action received object and context
if it is a node action, it is a node
if it is a user action, it is a user
what is context?