diff --git a/libfic/zqsd.go b/libfic/zqsd.go
index 0fe73815..e585aaf1 100644
--- a/libfic/zqsd.go
+++ b/libfic/zqsd.go
@@ -2,33 +2,46 @@ package fic
 
 import (
 	"fmt"
-	"time"
 
 	"srs.epita.fr/fic-server/settings"
 )
 
+type WorkZoneRoleZQDS struct {
+	Name     string        `json:"name"`
+	Accesses []interface{} `json:"acceses"`
+}
+
+type WorkZoneZQDS struct {
+	Name       string             `json:"name"`
+	Duplicable bool               `json:"duplicable"`
+	Roles      []WorkZoneRoleZQDS `json:"roles"`
+}
+
+type ChallengeRequirementsZQDS struct {
+	Challenges []string `json:"challenges"`
+}
+
 type ChallengeZQDS struct {
-	ID              int64     `json:"id,omitempty"`
-	Name            string    `json:"name"`
-	Type            string    `json:"type,omitempty"`
-	Category        string    `json:"category"`
-	Points          int64     `json:"points"`
-	State           string    `json:"state"`
-	LockedBy        []int64   `json:"locked_by,omitempty"`
-	FirstBloodBonus []float64 `json:"first_blood_bonus,omitempty"`
-	Description     string    `json:"description"`
-	Flags           []string  `json:"flags,omitempty"`
+	Name            string                     `json:"name"`
+	Type            string                     `json:"type,omitempty"`
+	Category        string                     `json:"category"`
+	Points          int64                      `json:"points"`
+	FirstBloodBonus []float64                  `json:"first_blood_bonus,omitempty"`
+	Description     string                     `json:"description"`
+	Flags           []string                   `json:"flags,omitempty"`
+	Requirements    *ChallengeRequirementsZQDS `json:"requirements,omitempty"`
 }
 
 type SessionZQDS struct {
-	Name        string           `json:"name"`
-	Description string           `json:"description"`
-	Scenario    string           `json:"scenario,omitempty"`
-	YourMission string           `json:"your_mission"`
-	Rules       string           `json:"rules"`
-	Start       time.Time        `json:"start"`
-	End         time.Time        `json:"end"`
-	Challenges  []*ChallengeZQDS `json:"challenges"`
+	Name          string           `json:"name"`
+	BackgroundURL string           `json:"background_url,omitempty"`
+	Description   string           `json:"description"`
+	Scenario      string           `json:"scenario,omitempty"`
+	YourMission   string           `json:"your_mission"`
+	Rules         string           `json:"rules"`
+	Duration      string           `json:"duration"`
+	WorkZones     []WorkZoneZQDS   `json:"work_zones,omitempty"`
+	Challenges    []*ChallengeZQDS `json:"challenges"`
 }
 
 func GenZQDSSessionFile(c *settings.ChallengeInfo, s *settings.Settings) (*SessionZQDS, error) {
@@ -50,26 +63,28 @@ func GenZQDSSessionFile(c *settings.ChallengeInfo, s *settings.Settings) (*Sessi
 		}
 
 		for _, ex := range exos {
-			state := "visible"
-			lockedby := []int64{}
+			var requirements *ChallengeRequirementsZQDS
 
 			if ex.Depend != nil {
-				state = "locked"
-				lockedby = append(lockedby, *ex.Depend)
+				exdep, err := GetExercice(*ex.Depend)
+				if err != nil {
+					return nil, fmt.Errorf("unable to find dependancy: %w", err)
+				}
+
+				requirements = &ChallengeRequirementsZQDS{}
+				requirements.Challenges = append(requirements.Challenges, exdep.Title)
 			}
 
 			challenges = append(challenges, &ChallengeZQDS{
-				ID:       ex.Id,
 				Name:     ex.Title,
 				Type:     "first_blood",
 				Category: th.Name,
 				Points:   ex.Gain,
-				State:    state,
-				LockedBy: lockedby,
 				FirstBloodBonus: []float64{
 					float64(ex.Gain) * (1 + s.FirstBlood),
 				},
-				Description: ex.Overview,
+				Description:  ex.Overview,
+				Requirements: requirements,
 			})
 		}
 	}
@@ -79,8 +94,7 @@ func GenZQDSSessionFile(c *settings.ChallengeInfo, s *settings.Settings) (*Sessi
 		Description: c.Description,
 		Rules:       c.Rules,
 		YourMission: c.YourMission,
-		Start:       s.Start,
-		End:         *s.End,
+		Duration:    fmt.Sprintf("%d:%d:00", c.ExpectedDuration/60, c.ExpectedDuration%60),
 		Challenges:  challenges,
 	}, nil
 }