diff --git a/models/resources/interfaces.go b/models/resources/interfaces.go
index 1a2a20d..57622fd 100755
--- a/models/resources/interfaces.go
+++ b/models/resources/interfaces.go
@@ -26,6 +26,7 @@ type ResourceInstanceITF interface {
 	GetPricingsProfiles(peerID string, groups []string) []pricing.PricingProfileITF
 	GetPeerGroups() ([]ResourcePartnerITF, []map[string][]string)
 	ClearPeerGroups()
+	GetSelectedPartnership(peerID string, groups []string) ResourcePartnerITF
 	GetPartnerships(peerID string, groups []string) []ResourcePartnerITF
 }
 
@@ -33,4 +34,5 @@ type ResourcePartnerITF interface {
 	GetPricingsProfiles(peerID string, groups []string) []pricing.PricingProfileITF
 	GetPeerGroups() map[string][]string
 	ClearPeerGroups()
+	GetProfile(buying int, strategy int) pricing.PricingProfileITF
 }
diff --git a/models/resources/resource.go b/models/resources/resource.go
index e1cbd96..aa956c8 100755
--- a/models/resources/resource.go
+++ b/models/resources/resource.go
@@ -145,14 +145,16 @@ type GeoPoint struct {
 
 type ResourceInstance[T ResourcePartnerITF] struct {
 	utils.AbstractObject
-	Location        GeoPoint                  `json:"location,omitempty" bson:"location,omitempty"`
-	Country         countries.CountryCode     `json:"country,omitempty" bson:"country,omitempty"`
-	AccessProtocol  string                    `json:"access_protocol,omitempty" bson:"access_protocol,omitempty"`
-	Env             []models.Param            `json:"env,omitempty" bson:"env,omitempty"`
-	Inputs          []models.Param            `json:"inputs,omitempty" bson:"inputs,omitempty"`
-	Outputs         []models.Param            `json:"outputs,omitempty" bson:"outputs,omitempty"`
-	SelectedPricing pricing.PricingProfileITF `json:"selected_pricing,omitempty" bson:"selected_pricing,omitempty"`
-	Partnerships    []T                       `json:"partnerships,omitempty" bson:"partnerships,omitempty"`
+	Location                 GeoPoint              `json:"location,omitempty" bson:"location,omitempty"`
+	Country                  countries.CountryCode `json:"country,omitempty" bson:"country,omitempty"`
+	AccessProtocol           string                `json:"access_protocol,omitempty" bson:"access_protocol,omitempty"`
+	Env                      []models.Param        `json:"env,omitempty" bson:"env,omitempty"`
+	Inputs                   []models.Param        `json:"inputs,omitempty" bson:"inputs,omitempty"`
+	Outputs                  []models.Param        `json:"outputs,omitempty" bson:"outputs,omitempty"`
+	SelectedPartnershipIndex int                   `json:"selected_partnership_index,omitempty" bson:"selected_partnership_index,omitempty"`
+	SelectedBuyingStrategy   int                   `json:"selected_buying_strategy,omitempty" bson:"selected_buying_strategy,omitempty"`
+	SelectedStrategy         int                   `json:"selected_strategy,omitempty" bson:"selected_strategy,omitempty"`
+	Partnerships             []T                   `json:"partnerships,omitempty" bson:"partnerships,omitempty"`
 }
 
 func (ri *ResourceInstance[T]) ClearEnv() {
@@ -162,7 +164,18 @@ func (ri *ResourceInstance[T]) ClearEnv() {
 }
 
 func (ri *ResourceInstance[T]) GetProfile() pricing.PricingProfileITF {
-	return ri.SelectedPricing
+	if len(ri.Partnerships) > ri.SelectedPartnershipIndex {
+		prts := ri.Partnerships[ri.SelectedPartnershipIndex]
+		return prts.GetProfile(ri.SelectedBuyingStrategy, ri.SelectedBuyingStrategy)
+	}
+	return nil
+}
+
+func (ri *ResourceInstance[T]) GetSelectedPartnership(peerID string, groups []string) ResourcePartnerITF {
+	if len(ri.Partnerships) > ri.SelectedPartnershipIndex {
+		return ri.Partnerships[ri.SelectedPartnershipIndex]
+	}
+	return nil
 }
 
 func (ri *ResourceInstance[T]) GetPartnerships(peerID string, groups []string) []ResourcePartnerITF {
@@ -210,6 +223,15 @@ type ResourcePartnerShip[T pricing.PricingProfileITF] struct {
 	// to upgrade pricing profiles. to be a map BuyingStrategy, map of Strategy
 }
 
+func (ri *ResourcePartnerShip[T]) GetProfile(buying int, strategy int) pricing.PricingProfileITF {
+	if strat, ok := ri.PricingProfiles[buying]; ok {
+		if profile, ok := strat[strategy]; ok {
+			return profile
+		}
+	}
+	return nil
+}
+
 /*
 Le pricing doit être selectionné lors d'un scheduling...
 le type de paiement défini le type de stratégie de paiement
diff --git a/models/resources/tests/resource_test.go b/models/resources/tests/resource_test.go
index 6f4fbe9..30acd53 100644
--- a/models/resources/tests/resource_test.go
+++ b/models/resources/tests/resource_test.go
@@ -20,7 +20,10 @@ func (m *MockInstance) GetID() string    { return m.ID }
 func (m *MockInstance) GetName() string  { return m.Name }
 func (m *MockInstance) ClearEnv()        {}
 func (m *MockInstance) ClearPeerGroups() {}
-func (m *MockInstance) GetPricingsProfiles(string, []string) []pricing.PricingProfileITF {
+func (m *MockInstance) GetProfile() pricing.PricingProfileITF {
+	return nil
+}
+func (m *MockInstance) GetPricingsProfiles(peerID string, groups []string) []pricing.PricingProfileITF {
 	return nil
 }
 func (m *MockInstance) GetPeerGroups() ([]resources.ResourcePartnerITF, []map[string][]string) {
@@ -33,6 +36,10 @@ type MockPartner struct {
 	groups map[string][]string
 }
 
+func (m *MockPartner) GetProfile(buying int, strategy int) pricing.PricingProfileITF {
+	return nil
+}
+
 func (m *MockPartner) GetPeerGroups() map[string][]string {
 	return m.groups
 }