diff --git a/dashboards.go b/dashboards.go
index 847d838..cfcf183 100644
--- a/dashboards.go
+++ b/dashboards.go
@@ -102,17 +102,19 @@ type Dashboard struct {
 
 // Widget information
 type Widget struct {
-	Type     string `json:"type"`
-	Title    string `json:"title"`
-	Layout   Layout `json:"layout"`
-	Metric   Metric `json:"metric,omitempty"`
-	Graph    Graph  `json:"graph,omitempty"`
-	Range    Range  `json:"range,omitempty"`
-	Markdown string `json:"markdown,omitempty"`
+	Type           string          `json:"type"`
+	Title          string          `json:"title"`
+	Layout         Layout          `json:"layout"`
+	Metric         Metric          `json:"metric,omitempty"`
+	Graph          Graph           `json:"graph,omitempty"`
+	Range          Range           `json:"range,omitempty"`
+	Markdown       string          `json:"markdown,omitempty"`
+	ReferenceLines []ReferenceLine `json:"referenceLines,omitempty"`
 	// If this field is nil, it will be treated as a two-digit display after the decimal point.
-	FractionSize *int64 `json:"fractionSize,omitempty"`
-	Suffix       string `json:"suffix,omitempty"`
-	RoleFullName string `json:"roleFullname,omitempty"`
+	FractionSize *int64       `json:"fractionSize,omitempty"`
+	Suffix       string       `json:"suffix,omitempty"`
+	FormatRules  []FormatRule `json:"formatRules,omitempty"`
+	RoleFullName string       `json:"roleFullname,omitempty"`
 }
 
 // Metric information
@@ -133,6 +135,12 @@ func (m Metric) MarshalJSON() ([]byte, error) {
 	return json.Marshal(Alias(m))
 }
 
+type FormatRule struct {
+	Name      string  `json:"name"`
+	Threshold float64 `json:"threshold"`
+	Operator  string  `json:"operator"`
+}
+
 // Graph information
 type Graph struct {
 	Type         string `json:"type"`
@@ -190,6 +198,11 @@ func (r Range) MarshalJSON() ([]byte, error) {
 	}
 }
 
+type ReferenceLine struct {
+	Label string  `json:"label"`
+	Value float64 `json:"value"`
+}
+
 // Layout information
 type Layout struct {
 	X      int64 `json:"x"`
diff --git a/dashboards_test.go b/dashboards_test.go
index 00ab82b..e5c2c42 100644
--- a/dashboards_test.go
+++ b/dashboards_test.go
@@ -108,12 +108,25 @@ func TestFindDashboard(t *testing.T) {
 							"width":  8,
 							"height": 10,
 						},
+						"referenceLines": []map[string]interface{}{
+							{
+								"label": "critical",
+								"value": 1.23,
+							},
+						},
 					},
 					{
 						"type":         "value",
 						"title":        "value_widget",
 						"fractionSize": 2,
 						"suffix":       "total",
+						"formatRules": []map[string]interface{}{
+							{
+								"name":      "SLO",
+								"threshold": 2.34,
+								"operator":  ">",
+							},
+						},
 						"metric": map[string]interface{}{
 							"type":       "expression",
 							"expression": "alias(scale(\nsum(\n  group(\n    host(2u4PP3TJqbx,loadavg.*)\n  )\n),\n1\n), 'test')",
@@ -218,6 +231,14 @@ func TestFindDashboard(t *testing.T) {
 		t.Error("request sends json including widgets.graph.name but:", dashboard)
 	}
 
+	if dashboard.Widgets[1].ReferenceLines[0].Label != "critical" {
+		t.Error("request sends json including widgets.graph.referenceLines.label but:", dashboard)
+	}
+
+	if dashboard.Widgets[1].ReferenceLines[0].Value != 1.23 {
+		t.Error("request sends json including widgets.graph.referenceLines.value but:", dashboard)
+	}
+
 	// Widget Test : Metric ( && Expression Type)
 
 	if dashboard.Widgets[2].Metric.Type != "expression" {
@@ -236,6 +257,18 @@ func TestFindDashboard(t *testing.T) {
 		t.Error("request sends json including widgets.suffix but:", dashboard)
 	}
 
+	if dashboard.Widgets[2].FormatRules[0].Name != "SLO" {
+		t.Error("request sends json including widgets.formatRules.name but:", dashboard)
+	}
+
+	if dashboard.Widgets[2].FormatRules[0].Threshold != 2.34 {
+		t.Error("request sends json including widgets.formatRules.threshold but:", dashboard)
+	}
+
+	if dashboard.Widgets[2].FormatRules[0].Operator != ">" {
+		t.Error("request sends json including widgets.formatRules.operator but:", dashboard)
+	}
+
 	// Widget Test : AlertStatus
 
 	if dashboard.Widgets[3].RoleFullName != "test:dashboard" {