Beginning at 7th level, when you use your action to cast a cantrip, you can make one weapon attack as a bonus action.
War Magic
Raw data
{
"name": "War Magic",
"page": 74,
"level": 7,
"__prop": "subclassFeature",
"header": 2,
"source": "PHB",
"entries": [
"Beginning at 7th level, when you use your action to cast a cantrip, you can make one weapon attack as a bonus action."
],
"className": "Fighter",
"classSource": "PHB",
"subclassSource": "PHB",
"subclassShortName": "Eldritch Knight"
}