DebugMode
Arguments: 1 for activating it and 0 for turning it off.
Details: You're going to need to turn this one on to get all feature working? Also displays where the triggers are placed.
dm_enablecombatdebugging
Arguments: 1 for activating it and 0 for turning it off.
Details: This command will enable and display additional information about how attacks, damage, and saving throws are computed. Extremely reliable and offers a good deal of details for better details on what is going on behind the scenes.
dm_getvarint
Arguments: The string value of the variable's name.
Details: Fetches the local variable on the target object and prints it to the console. Mind you, I usually just put prints in my code, but it can come in handy.
dm_getvarstring
Arguments: The string value of the variable's name.
Details: Same as the above but for string local variables.
dm_getvarfloat
Arguments: The string value of the variable's name.
Details: Same as the above but for float local variables.
dm_giveXP
Arguments: the amount of XP that you want to give.
Details: Make sure to have your character selected, otherwise it doesn't seem to work.
dm_givegold
Arguments: The amount of gold that you want to give.
Details: Handy when you need to identify gear and you don't have any gold...
dm_jumptopoint
Arguments: The x and y location to go to along with the tag of the area.
Example: dm_jumptopoint 100 100 trinity
Details: I haven't ever used this before, but I figured it could be useful for destructive testing?
dm_movetoarea
Arguments: Just the tag of the area.
Details: Same as the above...
Source: http://gameofthrones.net/resources/57-technical-documentation/495-nwn2-console-commands.html