diff --git a/models/request.go b/models/request.go
index f2c2063..49d0386 100644
--- a/models/request.go
+++ b/models/request.go
@@ -1,18 +1,22 @@
 // request
 package models
 
+type RequestAction int
+
 type Request struct {
 	Id         int
 	OfficeHour OfficeHour
-	Action     int
+	Action     RequestAction
 	Secret     string
 }
 
-const RequestActivate int = 1 // Fix integer to represent request for activation of an office hour.
-const RequestDelete int = 2   // Fix integer to represent request for deletion of an office hour.
+const (
+	RequestActivate RequestAction = iota // Fix integer to represent request for activation of an office hour.
+	RequestDelete                 // Fix integer to represent request for deletion of an office hour.
+)
 
 type RequestRepository interface {
-	Add(officeHour OfficeHour, action int) (int, error)
+	Add(officeHour OfficeHour, action RequestAction) (int, error)
 	FindBySecret(secret string) (Request, error)
 	Execute(request Request) error
 }
diff --git a/repositories/request.go b/repositories/request.go
index 5125d11..4ff8c93 100644
--- a/repositories/request.go
+++ b/repositories/request.go
@@ -70,7 +70,7 @@ func (r *RequestRepo) FindByOfficeHour(officeHour models.OfficeHour) ([]models.R
 
 // Add a request to the database if it doesnt already exist.
 // Send a mail with the secret to the confirmation address in any case.
-func (r *RequestRepo) Add(officeHour models.OfficeHour, action int) (int, error) {
+func (r *RequestRepo) Add(officeHour models.OfficeHour, action models.RequestAction) (int, error) {
 	existents, err := r.FindByOfficeHour(officeHour)
 	if err != nil && !errors.Is(err, sql.ErrNoRows) {
 		return 0, err