Contains filters are case sensitve
Namesort descending Description
API functions There are two different functions to send messages. Either by starting a new thread or reply to an existing thread.
Generic Hooks Some generic hooks that can't be categorized.
Message hooks All message-level hooks look like hook_privatemsg_message_op, where op is one of the following:
Query Builder Query builder and related hooks
Theming documentation It is possible to theme many aspect of privatemsg with theme functions.
Types of recipients It is possible to define other types of recipients than the usual single user. These types are defined through a hook and a few callbacks and are stored in the {pm_index} table for each recipient entry.

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