diff --git a/models/resources/purchase_resource/purchase_resource.go b/models/resources/purchase_resource/purchase_resource.go
index cccb3b0..a7496f8 100644
--- a/models/resources/purchase_resource/purchase_resource.go
+++ b/models/resources/purchase_resource/purchase_resource.go
@@ -10,6 +10,7 @@ import (
 type PurchaseResource struct {
 	utils.AbstractObject
 	DestPeerID   string
+	ExecutionsID string         `json:"executions_id,omitempty" bson:"executions_id,omitempty" validate:"required"` // ExecutionsID is the ID of the executions
 	EndDate      *time.Time     `json:"end_buying_date,omitempty" bson:"end_buying_date,omitempty"`
 	ResourceID   string         `json:"resource_id" bson:"resource_id" validate:"required"`
 	ResourceType tools.DataType `json:"resource_type" bson:"resource_type" validate:"required"`
diff --git a/models/workflow_execution/workflow_execution.go b/models/workflow_execution/workflow_execution.go
index 06840de..cb70b24 100755
--- a/models/workflow_execution/workflow_execution.go
+++ b/models/workflow_execution/workflow_execution.go
@@ -147,6 +147,7 @@ func (d *WorkflowExecution) buyEach(bs pricing.BillingStrategy, executionsID str
 				UUID: uuid.New().String(),
 				Name: d.GetName() + "_" + executionsID + "_" + wfID,
 			},
+			ExecutionsID: executionsID,
 			DestPeerID:   priced.GetCreatorID(),
 			ResourceID:   priced.GetID(),
 			ResourceType: dt,