[DNS] example for multiple routers in resource/opentelekomcloud_dns_zone_v2

docs/resources/dns_zone_v2.md

@@ -50,6 +50,32 @@ resource "opentelekomcloud_dns_zone_v2" "private_example_com" {
 }
 ```
 
+### Private Zone Configuration with multiple routers
+
+```hcl
+resource "opentelekomcloud_dns_zone_v2" "private_example_com" {
+  name        = "private.example.com."
+  email       = "private@example.com"
+  description = "An example for private zone"
+  ttl         = 3000
+  type        = "private"
+
+  router {
+    router_id     = var.vpc_id_1
+    router_region = var.region
+  }
+
+  router {
+    router_id     = var.vpc_id_2
+    router_region = var.region
+  }
+  tags = {
+    foo = "bar"
+    key = "value"
+  }
+}
+```
+
 ## Argument Reference
 
 The following arguments are supported:
@@ -66,7 +92,7 @@ The following arguments are supported:
 
 * `description` - (Optional) A description of the zone.
 
-* `router` - (Optional) The Router(VPC) configuration for the private zone.
+* `router` - (Optional) The Routers(VPCs) configuration for the private zone.
   it is required when type is `private`.
 
 * `tags` - (Optional) The key/value pairs to associate with the zone.

releasenotes/notes/dns-routers-example-c86b8014fec667ac.yaml

@@ -0,0 +1,3 @@
+other:
+  - |
+    **[DNS]** Update ``router`` doc and example in ``docs/resources/dns_zone_v2`` (`#2268 <https://github.com/opentelekomcloud/terraform-provider-opentelekomcloud/pull/2268>`_)