diff --git a/models/common/models/inoutputs.go b/models/common/models/inoutputs.go
index 1850ff8..e1bb27e 100644
--- a/models/common/models/inoutputs.go
+++ b/models/common/models/inoutputs.go
@@ -9,6 +9,7 @@ type Artifact struct {
 type Param struct {
 	Attr      string `json:"attr" bson:"attr" validate:"required"`
 	Value     string `json:"value,omitempty" bson:"value,omitempty"`
+	Origin    string `json:"origin,omitempty" bson:"origin,omitempty"`
 	Readonly  bool   `json:"readonly" bson:"readonly" default:"true"`
 	Optionnal bool   `json:"optionnal" bson:"optionnal" default:"true"`
 }