Guided Generation

import FoundationModels

@Generable
struct TicketLabel {
    @Guide(description: "Niveau de priorité", .anyOf(["basse", "moyenne", "haute"]))
    var priority: String = ""
}

import FoundationModels

@Generable
struct FeaturePlan {
    @Guide(description: "Un titre court")
    var title: String = ""

    @Guide(description: "Un résumé en une phrase")
    var summary: String = ""

    @Guide(description: "Entre 2 et 5 actions concrètes", .minimumCount(2))
    var nextSteps: [String] = []
}

let session = LanguageModelSession(
    instructions: "You help Swift developers plan AI features."
)

let result = try await session.respond(
    to: "Propose un plan simple pour ajouter un résumé de texte dans une app iOS.",
    generating: FeaturePlan.self
)

let plan = result.content
print(plan.title)
print(plan.nextSteps)

@Generable
struct ModelChoice {
    @Guide(description: "Nom du modèle conseillé")
    var model: String = ""

    @Guide(description: "Taille estimée en Go", .range(1...40))
    var estimatedSizeGB: Int = 0

    @Guide(description: "Niveau recommandé", .anyOf(["debutant", "intermediaire", "avance"]))
    var audience: String = ""
}

@Generable
struct ActionItem {
    @Guide(description: "Action à effectuer")
    var title: String = ""

    @Guide(description: "Priorité", .anyOf(["basse", "moyenne", "haute"]))
    var priority: String = ""
}

@Generable
struct SprintPlan {
    @Guide(description: "Objectif du sprint")
    var goal: String = ""

    @Guide(description: "Liste des actions")
    var items: [ActionItem] = []
}