PHB 194-195
"MAKING AN ATTACK
MAKING AN ATTACK
Whether you're striking with a melee weapon, firing a weapon at range, or making an attack roll as part of a spell, an attack has a simple structure.
Whether you're striking with a melee weapon, firing a weapon at range, or making an attack roll as part of a spell, an attack has a simple structure.
1.Choose a target. Pick a target within your attack's range: a creature, an object, ar a location.
- Choose a target.
Pick a target within your attack's range: a creature, an object, ar a location.
Determine modifiers. The DM determines whether the target has cover and whether you have advantage ar disadvantage against the target. In addition, spel1s, special abilities. and other effects can apply penalties ar bonuses to your attack roll.
Resolve the attack. Voumake the attack roll. On a hit, you rol1damage, unless the particular attack has rules that specify otherwise. Some attacks cause special effects in addition to ar instead of damage.
- Determine modifiers.
The DM determines whether the target has cover and whether you have advantage ar disadvantage against the target. In addition, spel1s, special abilities. and other effects can apply penalties ar bonuses to your attack roll.
If there's ever any question whether something you're doing counts as an attack, the rule is simple: if you're making an attack rol1,you're making an attack."
- Resolve the attack.
You make the attack roll. On a hit, you rol1damage, unless the particular attack has rules that specify otherwise. Some attacks cause special effects in addition to ar instead of damage.
If there's ever any question whether something you're doing counts as an attack, the rule is simple: if you're making an attack rol1,you're making an attack."
The last line of the rule says it all, if the spell requires you to make an attack roll (not a spellcasting roll) it counts as an attack.
So uyou CAN extra attack after using booming blade. youYou can even combo several Booming blade cantrips if you have extra attacks allowing you to do so.
