Deprecated Darkstar fourms

My apologies, I am definitely new to this but I am slowly coming along, thank you for your help.

Can you manipulate the duration and level within the command? After some playing around I have found they are all like level 1 effect and last roughly 30 secs no matter the spell... Is there a format to the command such as: @addeffect <effect id> <level> <duration> <--- don't know if this works, I a...

How do you add buffs to players such as 2h's, regens, other buffs as such? also if you need a buff value where could I find that?

I have been on other private servers and seen GM's just add a buff on the spot to a player.

What is the command to reset the dynamis cooldown timer?