diff --git a/google/cloud/dialogflow/v2beta1/environment.proto b/google/cloud/dialogflow/v2beta1/environment.proto
index da1c4b28..7132910b 100644
--- a/google/cloud/dialogflow/v2beta1/environment.proto
+++ b/google/cloud/dialogflow/v2beta1/environment.proto
@@ -56,6 +56,7 @@ message Environment {
   option (google.api.resource) = {
     type: "dialogflow.googleapis.com/Environment"
     pattern: "projects/{project}/agent/environments/{environment}"
+    pattern: "projects/{project}/locations/{location}/agent/environments/{environment}"
   };
 
   // Represents an environment state. When an environment is pointed to a new
@@ -78,8 +79,10 @@ message Environment {
   }
 
   // Output only. The unique identifier of this agent environment.
-  // Format: `projects/<Project ID>/agent/environments/<Environment ID>`.
-  // For Environment ID, "-" is reserved for 'draft' environment.
+  // Format:
+  // - `projects/<Project Number / ID>/agent/environments/<Environment ID>`
+  // - `projects/<Project Number / ID>/locations/<Location
+  // ID>/agent/environments/<Environment ID>`
   string name = 1 [(google.api.field_behavior) = OUTPUT_ONLY];
 
   // Optional. The developer-provided description for this environment.
@@ -102,7 +105,10 @@ message Environment {
 // The request message for [Environments.ListEnvironments][google.cloud.dialogflow.v2beta1.Environments.ListEnvironments].
 message ListEnvironmentsRequest {
   // Required. The agent to list all environments from.
-  // Format: `projects/<Project ID>/agent`.
+  // Format:
+  // - `projects/<Project Number / ID>/agent`
+  // - `projects/<Project Number / ID>/locations/<Location
+  // ID>/agent
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {