diff --git a/models/tosca/addOlt.go b/models/tosca/addOlt.go
new file mode 100644
index 0000000..0005800
--- /dev/null
+++ b/models/tosca/addOlt.go
@@ -0,0 +1,124 @@
+/*
+   Copyright 2017 the original author or authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+package tosca
+
+import (
+	"log"
+
+	yaml "gopkg.in/yaml.v2"
+)
+
+var templateData = `
+tosca_definitions_version: tosca_simple_yaml_1_0
+imports:
+  - custom_types/oltdevice.yaml
+  - custom_types/onudevice.yaml
+  - custom_types/ponport.yaml
+  - custom_types/voltservice.yaml
+description: Create a simulated OLT Device in VOLTHA
+topology_template:
+  node_templates:
+      service#volt:
+        type: tosca.nodes.VOLTService
+        properties:
+          name: volt
+          must-exist: true
+      olt_device:
+        type: tosca.nodes.OLTDevice
+        properties:
+           name: test
+           type: test
+           host: test
+           port: 32
+           outer_tpid: "0x8100"
+           uplink: "65536"
+           nas_id:
+        requirements:
+          - volt_service:
+              node: service#volt
+              relationship: tosca.relationships.BelongsToOne
+`
+
+type OltProvsion struct {
+	ToscaDefinitionsVersion string   `yaml:"tosca_definitions_version"`
+	Imports                 []string `yaml:"imports"`
+	Description             string   `yaml:"description"`
+	TopologyTemplate        struct {
+		NodeTemplates struct {
+			ServiceVolt struct {
+				Type       string `yaml:"type"`
+				Properties struct {
+					Name      string `yaml:"name"`
+					MustExist bool   `yaml:"must-exist"`
+				} `yaml:"properties"`
+			} `yaml:"service#volt"`
+			OltDevice struct {
+				DeviceType string `yaml:"type"`
+				Properties struct {
+					Name      string `yaml:"name"`
+					Type      string `yaml:"device_type"`
+					Host      string `yaml:"host"`
+					Port      int    `yaml:"port"`
+					OuterTpid string `yaml:"outer_tpid"`
+					Uplink    string `yaml:"uplink"`
+					NasID     string `yaml:"nas_id"`
+				} `yaml:"properties"`
+				Requirements []struct {
+					VoltService struct {
+						Node         string `yaml:"node"`
+						Relationship string `yaml:"relationship"`
+					} `yaml:"volt_service"`
+				} `yaml:"requirements"`
+			} `yaml:"olt_device"`
+		} `yaml:"node_templates"`
+	} `yaml:"topology_template"`
+}
+
+/*var templateData = `
+tosca_definitions_version: tosca_simple_yaml_1_0
+imports:
+   - custom_types/oltdevice.yaml
+   - custom_types/onudevice.yaml
+   - custom_types/ponport.yaml
+   - custom_types/voltservice.yaml
+`
+
+type OltProvsion struct {
+	Tosca_Definitions_Version string
+	Imports                   []string
+}
+*/
+
+func NewOltProvision(clli string, name string, deviceType string, host string, port int) OltProvsion {
+	o := OltProvsion{}
+	err := yaml.Unmarshal([]byte(templateData), &o)
+	if err != nil {
+		log.Printf("Error un-marshalling template data %v\n", err)
+	}
+
+	props := &o.TopologyTemplate.NodeTemplates.OltDevice.Properties
+	props.Name = name
+	props.Type = deviceType
+	props.Host = host
+	props.Port = port
+	props.NasID = clli
+	return o
+}
+
+func (olt *OltProvsion) ToYaml() (string, error) {
+	b, err := yaml.Marshal(olt)
+	return string(b), err
+}