diff --git a/models/workflow_execution/workflow_execution.go b/models/workflow_execution/workflow_execution.go
index 750d609..391fa94 100755
--- a/models/workflow_execution/workflow_execution.go
+++ b/models/workflow_execution/workflow_execution.go
@@ -33,6 +33,9 @@ type WorkflowExecution struct {
 	State                enum.BookingStatus             `json:"state" bson:"state" default:"0"`                                               // TEMPORARY TODO DEFAULT 1 -> 0 State is the state of the workflow
 	WorkflowID           string                         `json:"workflow_id" bson:"workflow_id,omitempty"`                                     // WorkflowID is the ID of the workflow
 
+	BookingsState  map[string]bool `json:"bookings_state" bson:"bookings_state,omitempty"`   // WorkflowID is the ID of the workflow
+	PurchasesState map[string]bool `json:"purchases_state" bson:"purchases_state,omitempty"` // WorkflowID is the ID of the workflow
+
 	SelectedInstances    workflow.ConfigItem `json:"selected_instances"`
 	SelectedPartnerships workflow.ConfigItem `json:"selected_partnerships"`
 	SelectedBuyings      workflow.ConfigItem `json:"selected_buyings"`
@@ -127,6 +130,10 @@ use of a datacenter or storage can't be buy for permanent access.
 func (d *WorkflowExecution) Buy(bs pricing.BillingStrategy, executionsID string, wfID string, priceds map[tools.DataType]map[string]pricing.PricedItemITF) []*purchase_resource.PurchaseResource {
 	purchases := d.buyEach(bs, executionsID, wfID, tools.PROCESSING_RESOURCE, priceds[tools.PROCESSING_RESOURCE])
 	purchases = append(purchases, d.buyEach(bs, executionsID, wfID, tools.DATA_RESOURCE, priceds[tools.DATA_RESOURCE])...)
+	d.PurchasesState = map[string]bool{}
+	for _, p := range purchases {
+		d.PurchasesState[p.GetID()] = false
+	}
 	return purchases
 }
 
@@ -178,6 +185,9 @@ func (d *WorkflowExecution) Book(executionsID string, wfID string, priceds map[t
 	booking = append(booking, d.bookEach(executionsID, wfID, tools.PROCESSING_RESOURCE, priceds[tools.PROCESSING_RESOURCE])...)
 	booking = append(booking, d.bookEach(executionsID, wfID, tools.COMPUTE_RESOURCE, priceds[tools.COMPUTE_RESOURCE])...)
 	booking = append(booking, d.bookEach(executionsID, wfID, tools.DATA_RESOURCE, priceds[tools.DATA_RESOURCE])...)
+	for _, p := range booking {
+		d.BookingsState[p.GetID()] = false
+	}
 	return booking
 }