Note: this list is generated by pattern matching, so it may include some functions that are not actually implementations of this hook.

actions_loop_test_action_info in core/modules/simpletest/tests/actions_loop_test.module
Implements hook_action_info().
action_example_action_info in modules/examples/action_example/action_example.module
Implements hook_action_info().
comment_action_info in core/modules/comment/comment.module
Implements hook_action_info().
file_action_info in core/modules/file/file.module
Implements hook_action_info().
node_action_info in core/modules/node/node.module
Implements hook_action_info().
path_action_info in core/modules/path/path.module
Implements hook_action_info().
user_action_info in core/modules/user/user.module
Implements hook_action_info().