diff --git a/models/schema_site_contract.go b/models/schema_site_contract.go
new file mode 100644
index 0000000..e0f15fd
--- /dev/null
+++ b/models/schema_site_contract.go
@@ -0,0 +1,30 @@
+package models
+
+type SiteContract struct {
+	Ops   string                 `json:",omitempty"`
+	Path  string                 `json:",omitempty"`
+	Value map[string]interface{} `json:",omitempty"`
+}
+
+func NewSchemaSiteContract(ops, path string, contractRef map[string]interface{}) *SiteContract {
+	contractMap := map[string]interface{}{
+		"contractRef": contractRef,
+	}
+
+	return &SiteContract{
+		Ops:   ops,
+		Path:  path,
+		Value: contractMap,
+	}
+}
+
+func (contractAttributes *SiteContract) ToMap() (map[string]interface{}, error) {
+	contractAttributesMap := make(map[string]interface{})
+	A(contractAttributesMap, "op", contractAttributes.Ops)
+	A(contractAttributesMap, "path", contractAttributes.Path)
+	if contractAttributes.Value != nil {
+		A(contractAttributesMap, "value", contractAttributes.Value)
+	}
+
+	return contractAttributesMap, nil
+}