diff --git a/api/v1/openapi.yaml b/api/v1/openapi.yaml
index efeba77..9825936 100644
--- a/api/v1/openapi.yaml
+++ b/api/v1/openapi.yaml
@@ -649,24 +649,15 @@ components:
           type: string
         position:
           type: string
-        bill:
-          $ref: "#/components/schemas/Price"
         isStudent:
           type: boolean
           default: false
-        hasPaid:
-          type: boolean
-          default: false
-        hasAttended:
-          type: boolean
-          default: false
       required:
         - name
         - email
         - phone
         - company
         - position
-        - bill
 
     TrainingDateAttendee:
       allOf:
@@ -675,8 +666,19 @@ components:
           properties:
             id:
               $ref: "#/components/schemas/TrainingDateAttendeeID"
+            bill:
+              $ref: "#/components/schemas/Price"
+            hasPaid:
+              type: boolean
+              default: false
+            hasAttended:
+              type: boolean
+              default: false
           required:
             - id
+            - bill
+            - hasPaid
+            - hasAttended
 
     Price:
       type: object
diff --git a/internal/server/api.gen.go b/internal/server/api.gen.go
index 57d63f1..1582804 100644
--- a/internal/server/api.gen.go
+++ b/internal/server/api.gen.go
@@ -101,15 +101,12 @@ type NewTrainingDate struct {
 
 // NewTrainingDateAttendee defines model for NewTrainingDateAttendee.
 type NewTrainingDateAttendee struct {
-	Bill        Price               `json:"bill"`
-	Company     string              `json:"company"`
-	Email       openapi_types.Email `json:"email"`
-	HasAttended *bool               `json:"hasAttended,omitempty"`
-	HasPaid     *bool               `json:"hasPaid,omitempty"`
-	IsStudent   *bool               `json:"isStudent,omitempty"`
-	Name        string              `json:"name"`
-	Phone       string              `json:"phone"`
-	Position    string              `json:"position"`
+	Company   string              `json:"company"`
+	Email     openapi_types.Email `json:"email"`
+	IsStudent *bool               `json:"isStudent,omitempty"`
+	Name      string              `json:"name"`
+	Phone     string              `json:"phone"`
+	Position  string              `json:"position"`
 }
 
 // Price defines model for Price.
@@ -163,8 +160,8 @@ type TrainingDateAttendee struct {
 	Bill        Price                  `json:"bill"`
 	Company     string                 `json:"company"`
 	Email       openapi_types.Email    `json:"email"`
-	HasAttended *bool                  `json:"hasAttended,omitempty"`
-	HasPaid     *bool                  `json:"hasPaid,omitempty"`
+	HasAttended bool                   `json:"hasAttended"`
+	HasPaid     bool                   `json:"hasPaid"`
 	Id          TrainingDateAttendeeID `json:"id"`
 	IsStudent   *bool                  `json:"isStudent,omitempty"`
 	Name        string                 `json:"name"`
@@ -2058,43 +2055,43 @@ func (sh *strictHandler) ListTrainingUpcomingDates(ctx *fiber.Ctx, trainingID Tr
 // Base64 encoded, gzipped, json marshaled Swagger object
 var swaggerSpec = []string{
 
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 }
 
 // GetSwagger returns the content of the embedded swagger specification file