| hook_privatemsg_block_message | ./privatemsg.api.php | Check if the author can send a message to the recipients. |  |  | 
          
                  | hook_privatemsg_message_flush | ./privatemsg.api.php | Is called when a message is flushed. |  |  | 
          
                  | hook_privatemsg_message_insert | ./privatemsg.api.php | This hook is executed after the message has been saved. |  |  | 
          
                  | hook_privatemsg_message_load | ./privatemsg.api.php | Is called after the message has been loaded. |  |  | 
          
                  | hook_privatemsg_message_presave_alter | ./privatemsg.api.php | Change the message before it is stored. |  |  | 
          
                  | hook_privatemsg_message_validate | ./privatemsg.api.php | Validate a message before it is sent/saved in the database. |  |  | 
          
                  | hook_privatemsg_message_view_alter | ./privatemsg.api.php | Act on the $vars before a message is displayed. |  |  | 
          
                  | hook_privatemsg_name_lookup | ./privatemsg.api.php | Hook which allows to look up a user object. |  |  | 
          
                  | hook_privatemsg_sql_autocomplete_alter | ./privatemsg.api.php | Query to search for autocomplete usernames. |  |  | 
          
                  | hook_privatemsg_sql_list_alter | ./privatemsg.api.php | Display a list of threads. |  |  | 
          
                  | hook_privatemsg_sql_load_alter | ./privatemsg.api.php | Query definition to load a message. |  |  | 
          
                  | hook_privatemsg_sql_messages_alter | ./privatemsg.api.php | Query definition to load messages of one or multiple threads. |  |  | 
          
                  | hook_privatemsg_sql_participants_alter | ./privatemsg.api.php | Load the participants of a thread. |  |  | 
          
                  | hook_privatemsg_sql_unread_count_alter | ./privatemsg.api.php | Loads all unread messages of a user (only the count query is used). |  |  | 
          
                  | hook_privatemsg_thread_operations | ./privatemsg.api.php | Expose operations/actions which can be executed on threads. |  |  | 
          
                  | hook_privatemsg_view_messages | ./privatemsg.api.php | Add content to the view thread page. |  |  | 
          
                  | hook_privatemsg_view_template | ./privatemsg.api.php | List of possible templates. |  |  | 
          
                  | phptemplate_privatemsg_list_field__count | ./privatemsg.theme.inc | Theme the replies field. |  |  | 
          
                  | phptemplate_privatemsg_list_field__last_updated | ./privatemsg.theme.inc | Theme the last updated column. |  |  | 
          
                  | phptemplate_privatemsg_list_field__participants | ./privatemsg.theme.inc | Theme the participants field. |  |  | 
          
                  | phptemplate_privatemsg_list_field__subject | ./privatemsg.theme.inc | Theme the subject of the thread. |  |  | 
          
                  | phptemplate_privatemsg_list_field__tags | privatemsg_filter/privatemsg_filter.module | Default theme pattern function to display tags. |  |  | 
          
                  | phptemplate_privatemsg_list_field__thread_started | ./privatemsg.theme.inc | Theme the thread started column. |  |  | 
          
                  | phptemplate_privatemsg_list_header__count | ./privatemsg.theme.inc | Define the answers column. |  |  | 
          
                  | phptemplate_privatemsg_list_header__last_updated | ./privatemsg.theme.inc | Define the last updated column. |  |  | 
          
                  | phptemplate_privatemsg_list_header__participants | ./privatemsg.theme.inc | Define the participants column. |  |  | 
          
                  | phptemplate_privatemsg_list_header__subject | ./privatemsg.theme.inc | Define the subject header. |  |  | 
          
                  | phptemplate_privatemsg_list_header__tags | privatemsg_filter/privatemsg_filter.module | Define the header for the tags column. |  |  | 
          
                  | phptemplate_privatemsg_list_header__thread_started | ./privatemsg.theme.inc | Define the thread started column. |  |  | 
          
                  | pm_block_user_form | pm_block_user/pm_block_user.module |  |  | 1 | 
          
                  | pm_block_user_form_submit | pm_block_user/pm_block_user.module | Implements hook_form_submit(). |  |  | 
          
                  | pm_block_user_help | pm_block_user/pm_block_user.module | Implements hook_help(). |  |  | 
          
                  | pm_block_user_install | pm_block_user/pm_block_user.install |  |  |  | 
          
                  | pm_block_user_js | pm_block_user/pm_block_user.module | Menu callback for AHAH handling. |  | 1 | 
          
                  | pm_block_user_menu | pm_block_user/pm_block_user.module | Implements hook_menu(). |  |  | 
          
                  | pm_block_user_more_submit | pm_block_user/pm_block_user.module | Submit handler for 'More' button, adds a new action. |  | 1 | 
          
                  | pm_block_user_privatemsg_block_message | pm_block_user/pm_block_user.module | Implements hook_privatemsg_block_message(). |  |  | 
          
                  | pm_block_user_privatemsg_message_view_alter | pm_block_user/pm_block_user.module | Implements hook_privatemsg_message_view_alter(). |  |  | 
          
                  | pm_block_user_privatemsg_sql_load_alter | pm_block_user/pm_block_user.module |  |  |  | 
          
                  | pm_block_user_remove_submit | pm_block_user/pm_block_user.module | Submit handler for 'Remove' button, removes an action. |  | 1 | 
          
                  | pm_block_user_schema | pm_block_user/pm_block_user.install | Implements hook_schema(). |  |  | 
          
                  | pm_block_user_settings | pm_block_user/pm_block_user.module | Menu callback for blocked user settings. |  | 1 | 
          
                  | pm_block_user_settings_submit | pm_block_user/pm_block_user.module | Submit handler for admin form. |  |  | 
          
                  | pm_block_user_theme | pm_block_user/pm_block_user.module | Implements hook_theme(). |  |  | 
          
                  | pm_block_user_uninstall | pm_block_user/pm_block_user.install |  |  |  | 
          
                  | pm_block_user_update_6000 | pm_block_user/pm_block_user.install | Add primary key to {pm_block_user} table. |  |  | 
          
                  | pm_block_user_user | pm_block_user/pm_block_user.module | Implement hook_user(). |  |  | 
          
                  | pm_email_notify_admin_settings_form | pm_email_notify/pm_email_notify.module | Menu callback for administration settings. |  | 1 | 
          
                  | pm_email_notify_install | pm_email_notify/pm_email_notify.install |  |  |  | 
          
                  | pm_email_notify_mail | pm_email_notify/pm_email_notify.module | Implements hook_mail(). |  |  |