diff --git a/go/vendor/github.com/digitalocean/go-netbox/netbox/models/writable_inventory_item.go b/go/vendor/github.com/digitalocean/go-netbox/netbox/models/writable_inventory_item.go
new file mode 100644
index 0000000..bf646d6
--- /dev/null
+++ b/go/vendor/github.com/digitalocean/go-netbox/netbox/models/writable_inventory_item.go
@@ -0,0 +1,205 @@
+// Code generated by go-swagger; DO NOT EDIT.
+
+// Copyright 2018 The go-netbox 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 models
+
+// This file was generated by the swagger tool.
+// Editing this file might prove futile when you re-run the swagger generate command
+
+import (
+	strfmt "github.com/go-openapi/strfmt"
+
+	"github.com/go-openapi/errors"
+	"github.com/go-openapi/swag"
+	"github.com/go-openapi/validate"
+)
+
+// WritableInventoryItem writable inventory item
+// swagger:model WritableInventoryItem
+type WritableInventoryItem struct {
+
+	// Asset tag
+	//
+	// A unique tag used to identify this item
+	// Max Length: 50
+	AssetTag string `json:"asset_tag,omitempty"`
+
+	// Description
+	// Max Length: 100
+	Description string `json:"description,omitempty"`
+
+	// Device
+	// Required: true
+	Device *int64 `json:"device"`
+
+	// Discovered
+	Discovered bool `json:"discovered,omitempty"`
+
+	// ID
+	// Read Only: true
+	ID int64 `json:"id,omitempty"`
+
+	// Manufacturer
+	Manufacturer int64 `json:"manufacturer,omitempty"`
+
+	// Name
+	// Required: true
+	// Max Length: 50
+	Name *string `json:"name"`
+
+	// Parent
+	Parent int64 `json:"parent,omitempty"`
+
+	// Part ID
+	// Max Length: 50
+	PartID string `json:"part_id,omitempty"`
+
+	// Serial number
+	// Max Length: 50
+	Serial string `json:"serial,omitempty"`
+}
+
+// Validate validates this writable inventory item
+func (m *WritableInventoryItem) Validate(formats strfmt.Registry) error {
+	var res []error
+
+	if err := m.validateAssetTag(formats); err != nil {
+		// prop
+		res = append(res, err)
+	}
+
+	if err := m.validateDescription(formats); err != nil {
+		// prop
+		res = append(res, err)
+	}
+
+	if err := m.validateDevice(formats); err != nil {
+		// prop
+		res = append(res, err)
+	}
+
+	if err := m.validateName(formats); err != nil {
+		// prop
+		res = append(res, err)
+	}
+
+	if err := m.validatePartID(formats); err != nil {
+		// prop
+		res = append(res, err)
+	}
+
+	if err := m.validateSerial(formats); err != nil {
+		// prop
+		res = append(res, err)
+	}
+
+	if len(res) > 0 {
+		return errors.CompositeValidationError(res...)
+	}
+	return nil
+}
+
+func (m *WritableInventoryItem) validateAssetTag(formats strfmt.Registry) error {
+
+	if swag.IsZero(m.AssetTag) { // not required
+		return nil
+	}
+
+	if err := validate.MaxLength("asset_tag", "body", string(m.AssetTag), 50); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (m *WritableInventoryItem) validateDescription(formats strfmt.Registry) error {
+
+	if swag.IsZero(m.Description) { // not required
+		return nil
+	}
+
+	if err := validate.MaxLength("description", "body", string(m.Description), 100); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (m *WritableInventoryItem) validateDevice(formats strfmt.Registry) error {
+
+	if err := validate.Required("device", "body", m.Device); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (m *WritableInventoryItem) validateName(formats strfmt.Registry) error {
+
+	if err := validate.Required("name", "body", m.Name); err != nil {
+		return err
+	}
+
+	if err := validate.MaxLength("name", "body", string(*m.Name), 50); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (m *WritableInventoryItem) validatePartID(formats strfmt.Registry) error {
+
+	if swag.IsZero(m.PartID) { // not required
+		return nil
+	}
+
+	if err := validate.MaxLength("part_id", "body", string(m.PartID), 50); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (m *WritableInventoryItem) validateSerial(formats strfmt.Registry) error {
+
+	if swag.IsZero(m.Serial) { // not required
+		return nil
+	}
+
+	if err := validate.MaxLength("serial", "body", string(m.Serial), 50); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// MarshalBinary interface implementation
+func (m *WritableInventoryItem) MarshalBinary() ([]byte, error) {
+	if m == nil {
+		return nil, nil
+	}
+	return swag.WriteJSON(m)
+}
+
+// UnmarshalBinary interface implementation
+func (m *WritableInventoryItem) UnmarshalBinary(b []byte) error {
+	var res WritableInventoryItem
+	if err := swag.ReadJSON(b, &res); err != nil {
+		return err
+	}
+	*m = res
+	return nil
+}