Food level

is there a way to keep track of food level?
i tried using nbt but i cant seam to get it to work right with my advancement
  "criteria": {
    "location": {
      "trigger": "minecraft:location",
      "conditions": {
        "player": {
          "nbt": "foodLevel:7",
          "slots": {
            "armor.head": {
              "items": "#minecraft:head_armor",
              "predicates": {
                "minecraft:trim": {
                  "pattern": "minecraft:dune"
                }
              }
            },
            "armor.chest": {
              "items": "#minecraft:chest_armor",
              "predicates": {
                "minecraft:trim": {
                  "pattern": "minecraft:dune"
                }
              }
            },
            "armor.legs": {
              "items": "#minecraft:leg_armor",
              "predicates": {
                "minecraft:trim": {
                  "pattern": "minecraft:dune"
                }
              }
            },
            "armor.feet": {
              "items": "#minecraft:foot_armor",
              "predicates": {
                "minecraft:trim": {
                  "pattern": "minecraft:dune"
                }
              }
            }
          }
        }
      }
    }
  },
  "rewards": {
    "function": "trim_abilities:dune_ability"
  }
}