diff --git a/disco/bot/bot.py b/disco/bot/bot.py
index bf861fb..3fe129a 100644
--- a/disco/bot/bot.py
+++ b/disco/bot/bot.py
@@ -49,6 +49,9 @@ class BotConfig(Config):
     commands_prefixes : list[string]
         A list of string prefixes that are required for a message to be considered
         for command parsing.
+    commands_prefix_getter : Optional[function]
+        A function which takes in a message object and returns an array of strings
+        (prefixes).
     commands_allow_edit : bool
         If true, the bot will re-parse an edited message if it was the last sent
         message in a channel, and did not previously trigger a command. This is
@@ -92,6 +95,7 @@ class BotConfig(Config):
     }
     commands_prefix = ''
     commands_prefixes = []
+    commands_prefix_getter = None
     commands_allow_edit = True
     commands_level_getter = None
     commands_group_abbrev = True
@@ -243,7 +247,7 @@ class Bot(LoggingClass):
         Computes all possible abbreviations for a command grouping.
         """
         # For the first pass, we just want to compute each groups possible
-        #  abbreviations that don't conflict with eachother.
+        #  abbreviations that don't conflict with each other.
         possible = {}
         for group in groups:
             for index in range(1, len(group)):
@@ -407,12 +411,14 @@ class Bot(LoggingClass):
         bool
             Whether any commands where successfully triggered by the message.
         """
+        custom_message_prefixes = self.config.commands_prefix_getter(msg) if self.config.commands_prefix_getter else []
+
         commands = list(self.get_commands_for_message(
             self.config.commands_require_mention,
             self.config.commands_mention_rules,
             self.config.commands_prefix,
             msg,
-            self.config.commands_prefixes,
+            self.config.commands_prefixes + custom_message_prefixes,
         ))
 
         if not len(commands):
diff --git a/docs/bot_tutorial/programmatic_running.md b/docs/bot_tutorial/programmatic_running.md
index a5ce7f3..b9c8ff2 100644
--- a/docs/bot_tutorial/programmatic_running.md
+++ b/docs/bot_tutorial/programmatic_running.md
@@ -52,7 +52,7 @@ def prefix_getter(message):
 bot = runner.bot_creator({
     'token': TOKEN,
     'bot': {
-        'prefix_getter': prefix_getter,
+        'commands_prefix_getter': prefix_getter,
         'require_mention': False,
         'plugins': ['plugins.tutorial']  # this can be anything
     }