Updated API from documentation release

Author: ct-sdks[bot]

api-specs/api/resources/product-tailoring.raml

@@ -16,6 +16,12 @@ get:
       body:
         application/json:
           example: !include ../examples/product-tailoring-list.example.json
+head:
+  securedBy: [oauth_2_0: { scopes: ['view_products:{projectKey}'] }]
+  description: Checks if a ProductTailoring exists for a given Query Predicate. Returns a `200 OK` status if any ProductTailoring match the Query Predicate or a `404 Not Found` otherwise.
+  queryParameters:
+    where?:
+      type: QueryPredicate[]
 post:
   description: |
     Generates the [ProductTailoringCreated](ctp:api:type:ProductTailoringCreatedMessage) Message.