(D) Dismissible:If the Duration line ends with "(D)," you can dismiss the spell at will. You must be within range of the spell’s effect and must speak words of dismissal, which are usually a modified form of the spell’s verbal component. If the spell has no verbal component, you can dismiss the effect with a gesture. Dismissing a spell is a standard action that does not provoke attacks of opportunity.
DarknessEvocation [Darkness]Level: Brd 2, Clr 2, Sor/Wiz 2Components: V, M/DFCasting Time: 1 standard actionRange: TouchTarget: Object touchedDuration: 10 min./level (D)Saving Throw: NoneSpell Resistance: NoThis spell causes an object to radiate shadowy illumination out to a 20-foot radius. ...