add customer schema

reference/checkouts.sf.yml

@@ -1136,12 +1136,57 @@ components:
           format: double
     Customer: 
       type: object
+      description: Customer details.
       properties:
         addresses: 
           type: array
           items:
             type: object
-            properties: {}
+            properties:
+              id: 
+                type: integer
+                description: ''
+              firstName: 
+                type: string 
+                description: ''
+              lastName:
+                type: string
+                description: ''
+              company:
+                type: string
+                description: ''
+              address1:
+                type: string
+                description: ''
+              address2:
+                type: string
+                description: ''
+              city:
+                type: string
+                description: ''
+              stateOrProvince:
+                type: string
+                description: State or province.
+              stateOrProvinceCode:
+                type: string
+                description: ''
+              countryCode:
+                type: string
+                description: '[ISO 3166-1 alpha-2 code](https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2) for the country.'
+              postalCode:
+                type: string
+                description: ''
+              phone:
+                pattern: '^\+?[1-9]\d{1,14}(x\d{1-5})?$'
+                type: string
+                description: ''
+              type:
+                type: string
+                description: 'Address type.'
+              customFields:
+                type: array
+                items:
+                  $ref: '#/components/schemas/customFields'              
         customerGroup: 
           type: object
           properties: