diff --git a/tools/encode/encyaml.go b/tools/encode/encyaml.go
new file mode 100644
index 00000000..3401cc9e
--- /dev/null
+++ b/tools/encode/encyaml.go
@@ -0,0 +1,70 @@
+package main
+
+import (
+	"fmt"
+
+	"gopkg.in/yaml.v3"
+)
+
+func printYAML(node *yaml.Node) {
+	switch node.Kind {
+	case yaml.MappingNode:
+		fmt.Print(node.HeadComment)
+		fmt.Print("{")
+		for i := 0; i < len(node.Content)/2; i++ {
+			key := node.Content[i*2]
+			value := node.Content[i*2+1]
+			printYAML(key)
+			fmt.Print(": ")
+			printYAML(value)
+			if i < len(node.Content)/2-1 {
+				fmt.Print(", ")
+			}
+		}
+		fmt.Print("}")
+		fmt.Print(node.FootComment)
+	case yaml.SequenceNode:
+		fmt.Print("[")
+		for i, n := range node.Content {
+			printYAML(n)
+			if i < len(node.Content)-1 {
+				fmt.Print(", ")
+			}
+		}
+		fmt.Print("]")
+	default:
+		fmt.Print(node.Value)
+	}
+}
+
+func main() {
+	data := `
+test:
+  smfSystem:
+    display: "SMF System"
+    list:
+    - name: "sbiIpAddr"
+      type: "string"
+      value: "172.16.5.150"
+      access: "read-write"
+      filter: ''
+      display: "SBI IP"
+      comment: ""      
+amf:
+  smfSystem:
+    display: "SMF System"
+    list:
+    - name: "sbiIpAddr"
+      type: "string"
+      value: "172.16.5.150"
+      access: "read-write"
+      filter: ''
+      display: "SBI IP"
+      comment: ""
+`
+	var node yaml.Node
+	if err := yaml.Unmarshal([]byte(data), &node); err != nil {
+		panic(err)
+	}
+	printYAML(&node)
+}
diff --git a/tools/encode/sorted_test.yaml b/tools/encode/sorted_test.yaml
new file mode 100644
index 00000000..e69de29b
diff --git a/tools/encode/test.yaml b/tools/encode/test.yaml
new file mode 100644
index 00000000..6fe93469
--- /dev/null
+++ b/tools/encode/test.yaml
@@ -0,0 +1,309 @@
+smf:
+  smfSystem:
+    display: "SMF System"
+    list:
+    - name: "sbiIpAddr"
+      type: "string"
+      value: "172.16.5.150"
+      access: "read-write"
+      filter: ''
+      display: "SBI IP"
+      comment: ""
+    - name: "sbiPort"
+      type: "int"
+      value: "8080"
+      access: "read-write"
+      filter: "0~65535"
+      display: "SBI Port"
+      comment: "0~65535"
+    - name: "sbiScheme"
+      type: "enum"
+      value: "http"
+      access: "read-write"
+      filter: "{\"0\":\"http\", \"1\":\"https\"}"
+      display: "SBI Scheme"
+      comment: ""
+    - name: "n4Ipv4"
+      type: "ipv4"
+      value: "172.16.5.150"
+      access: "read-write"
+      filter: ''
+      display: "N4 IPv4"
+      comment: ""
+    - name: "n4Ipv6"
+      type: "ipv6"
+      value: ""
+      access: "read-write"
+      filter: ''
+      display: "N4 IPv6"
+      comment: ""
+    - name: "n4UIpv4"
+      type: "ipv4"
+      value: ""
+      access: "read-write"
+      filter: ''
+      display: "N4U IPv4"
+      comment: ""
+    - name: "n4UIpv6"
+      type: "ipv6"
+      value: ""
+      access: "read-write"
+      filter: ''
+      display: "N4U IPv6"
+      comment: ""
+    - name: "amfUri"
+      type: "string"
+      value: "http://172.16.5.120:8080"
+      access: "read-write"
+      filter: ''
+      display: "AMF URI"
+      comment: ""
+    - name: "pcfUri"
+      type: "string"
+      value: "http://172.16.5.160:8080"
+      access: "read-write"
+      filter: ''
+      display: "PCF URI"
+      comment: ""
+    - name: "udmUri"
+      type: "string"
+      value: "http://172.16.5.140:8080"
+      access: "read-write"
+      filter: ''
+      display: "UDM URI"
+      comment: ""
+    - name: "nrfEnable"
+      type: "bool"
+      value: "false"
+      access: "read-write"
+      filter: "{\"0\":\"false\", \"1\":\"true\"}"
+      display: "NRF Enable"
+      comment: ""      
+    - name: "nrfUri"
+      type: "string"
+      value: "http://172.16.5.180:8080"
+      access: "read-write"
+      filter: ''
+      display: "NRF URI"
+      comment: ""      
+    - name: "primaryDnsIpv4"
+      type: "ipv4"
+      value: "114.114.114.114"
+      access: "read-write"
+      filter: ""
+      display: "Primary DNS IPv4"
+      comment: ""
+    - name: "secondaryDnsIpv4"
+      type: "ipv4"
+      value: ""
+      access: "read-write"
+      filter: ""
+      display: "Secondary DNS IPv4"
+      comment: ""
+    - name: "primaryDnsIpv6"
+      type: "ipv6"
+      value: ""
+      access: "read-write"
+      filter: ""
+      display: "Primary DNS IPv6"
+      comment: ""
+    - name: "secondaryDnsIpv6"
+      type: "ipv6"
+      value: ""
+      access: "read-write"
+      filter: ""
+      display: "Secondary DNS IPv6"
+      comment: ""
+    - name: "primaryPcscfIpv4"
+      type: "ipv4"
+      value: "172.16.5.110"
+      access: "read-write"
+      filter: ""
+      display: "Primary PCSCF IPv4"
+      comment: ""
+    - name: "secondaryPcscfIpv4"
+      type: "ipv4"
+      value: ""
+      access: "read-write"
+      filter: ""
+      display: "Secondary PCSCF IPv4"
+      comment: ""
+    - name: "primaryPcscfIpv6"
+      type: "ipv6"
+      value: ""
+      access: "read-write"
+      filter: ""
+      display: "Primary PCSCF IPv6"
+      comment: ""
+    - name: "secondaryPcscfIpv6"
+      type: "ipv6"
+      value: ""
+      access: "read-write"
+      filter: ""
+      display: "Secondary PCSCF IPv6"
+      comment: ""
+    - name: "ueMtu"
+      type: "int"
+      value: ""
+      access: "read-write"
+      filter: "0~65535"
+      display: "UE MTU"
+      comment: ""
+  upfConfig:
+    display: "UPF Config"
+    array:
+    - name: "index"
+      type: "int"
+      value: ""
+      access: "read-write"
+      filter: '0~65535'
+      display: "Index"
+      comment: ""
+    - name: "id"
+      type: "string"
+      value: ""
+      access: "read-write"
+      filter: '1~64'
+      display: "UPF ID"
+      comment: ""
+    - name: "addr"
+      type: "string"
+      value: ""
+      access: "read-write"
+      filter: '7~45'
+      display: "Address"
+      comment: "e.g. ip:port"
+    - name: "ipv4Pools"
+      type:  "string"
+      value: ""
+      access: "read-write"
+      filter: '10~256'
+      display: "IPv4 Pools"
+      comment: "CIDR format, e.g. 192.168.1.0/24"
+    - name: "ipv6Pools"
+      type:  "string"
+      value: ""
+      access: "read-write"
+      filter: '5~512'
+      display: "IPv6 Pools"
+      comment: "CIDR format, e.g. fe80::20c:29ff:fee4:dab7/50"
+    - name: "staticIpv4Enable"
+      type: "bool"
+      value: ""
+      access: "read-write"
+      filter: "{\"0\":\"false\", \"1\":\"true\"}"
+      display: "Static IPv4 Enable"
+      comment: ""
+    - name: "staticIpv4Start"
+      type: "ipv4"
+      value: ""
+      access: "read-write"
+      filter: ''
+      display: "Static IPv4 Start"
+      comment: "ipv4 format"
+    - name: "staticIpv4End"
+      type: "ipv4"
+      value: ""
+      access: "read-write"
+      filter: ''
+      display: "Static IPv4 End"
+      comment: "ipv4 format"
+    - name: "staticIpv6Enable"
+      type: "bool"
+      value: ""
+      access: "read-write"
+      filter: "{\"0\":\"false\", \"1\":\"true\"}"
+      display: "Static IPv6 Enable"
+      comment: ""
+    - name: "staticIpv6Start"
+      type: "ipv6"
+      value: ""
+      access: "read-write"
+      filter: ''
+      display: "Static IPv6 Start"
+      comment: "ipv6 format"
+    - name: "staticIpv6End"
+      type: "ipv6"
+      value: ""
+      access: "read-write"
+      filter: ''
+      display: "Static IPv6 End"
+      comment: "ipv6 format"
+  dnnSelectUpf:
+    display: "DNN Select UPF"
+    array:
+    - name: "index"
+      type: "int"
+      value: "0"
+      access: "read-write"
+      filter: '0~65535'
+      display: "Index"
+      comment: ""
+    - name: "dnn"
+      type: "string"
+      value: ""
+      access: "read-write"
+      filter: '1~64'
+      display: "DNN"
+      comment: ""
+    - name: "upfId"
+      type: "string"
+      value: ""
+      access: "read-write"
+      filter: '1~64'
+      display: "UPF ID"
+      comment: "UPF ID"
+  dnnTaiSelectUpf:
+    display: "DNN TAI Select UPF"
+    array:
+    - name: "index"
+      type: "int"
+      value: ""
+      access: "read-write"
+      filter: '0~65535'
+      display: "Index"
+      comment: ""
+    - name: "dnn"
+      type: "string"
+      value: ""
+      access: "read-write"
+      filter: '1~64'
+      display: "DNN"
+      comment: ""
+    - name: "tai"
+      type: "string"
+      value: ""
+      access: "read-write"
+      filter: '1~64'
+      display: "TAI"
+      comment: "MCC+MNC+TAC"
+    - name: "upfId"
+      type: "string"
+      value: "upf2-Id"
+      access: "read-write"
+      filter: '1~64'
+      display: "UPF ID"
+      comment: ""
+
+test:
+  smfSystem:
+    display: "SMF System"
+    list:
+    - name: "sbiIpAddr"
+      type: "string"
+      value: "172.16.5.150"
+      access: "read-write"
+      filter: ''
+      display: "SBI IP"
+      comment: ""      
+amf:
+  smfSystem:
+    display: "SMF System"
+    list:
+    - name: "sbiIpAddr"
+      type: "string"
+      value: "172.16.5.150"
+      access: "read-write"
+      filter: ''
+      display: "SBI IP"
+      comment: ""         
\ No newline at end of file
diff --git a/tools/encode/unsorted_test.yaml b/tools/encode/unsorted_test.yaml
new file mode 100644
index 00000000..e69de29b