From 9077df68a5d822db9c32645784fb5b1e8fc5c8b0 Mon Sep 17 00:00:00 2001
From: Shivanee Persaud <shivaneep@google.com>
Date: Wed, 19 Aug 2026 16:46:36 -0700
Subject: [PATCH] feat(generator): add internalTelemetryInfo configuration when
 enableTelemetryTracing is enabled

---
 .../src/$version/$service_client.ts.njk        | 18 ++++++++++++++++++
 .../esm/src/$version/$service_client.ts.njk    | 18 ++++++++++++++++++
 2 files changed, 36 insertions(+)

diff --git a/core/generator/gapic-generator-typescript/templates/cjs/typescript_gapic/src/$version/$service_client.ts.njk b/core/generator/gapic-generator-typescript/templates/cjs/typescript_gapic/src/$version/$service_client.ts.njk
index 90553e89770f..3b29f371ec01 100644
--- a/core/generator/gapic-generator-typescript/templates/cjs/typescript_gapic/src/$version/$service_client.ts.njk
+++ b/core/generator/gapic-generator-typescript/templates/cjs/typescript_gapic/src/$version/$service_client.ts.njk
@@ -197,6 +197,15 @@ export class {{ service.name }}Client {
     }
     {%- endif %}
 
+    {%- if api.enableTelemetryTracing %}
+      opts.internalTelemetryInfo = {
+        gcpClientService: '{{ api.loggingName }}',
+        gcpClientVersion: '{{ api.naming.version }}',
+        gcpRepo: 'googleapis/google-cloud-node',
+        gcpArtifact: '{{ api.publishName }}',
+      }
+    {%- endif %}
+
     // Choose either gRPC or proto-over-HTTP implementation of google-gax.
     this._gaxModule = {% if not api.legacyProtoLoad %}opts.fallback ? gaxInstance.fallback : gaxInstance{% else %}gax{% endif %};
 
@@ -398,6 +407,15 @@ export class {{ service.name }}Client {
        , 'x-goog-api-version': '{{ service.apiVersion }}'
 {%- endif -%}});
 
+    {%- if api.enableTelemetryTracing %}
+    if (opts.enableTelemetryTracing) {
+      for (const methodName of Object.keys(this._defaults)) {
+        this._defaults[methodName].enableTelemetryTracing = opts.enableTelemetryTracing;
+        this._defaults[methodName].internalTelemetryInfo = opts.internalTelemetryInfo;
+      }
+    }
+    {%- endif %}
+
     // Set up a dictionary of "inner API calls"; the core implementation
     // of calling the API is handled in `google-gax`, with this code
     // merely providing the destination and request information.
diff --git a/core/generator/gapic-generator-typescript/templates/esm/typescript_gapic/esm/src/$version/$service_client.ts.njk b/core/generator/gapic-generator-typescript/templates/esm/typescript_gapic/esm/src/$version/$service_client.ts.njk
index e505db0eef11..a1a6c2c3deda 100644
--- a/core/generator/gapic-generator-typescript/templates/esm/typescript_gapic/esm/src/$version/$service_client.ts.njk
+++ b/core/generator/gapic-generator-typescript/templates/esm/typescript_gapic/esm/src/$version/$service_client.ts.njk
@@ -203,6 +203,15 @@ export class {{ service.name }}Client {
       gaxInstance = gax as typeof gax;
     }
     {%- endif %}
+    
+    {%- if api.enableTelemetryTracing %}
+      opts.internalTelemetryInfo = {
+        gcpClientService: '{{ api.loggingName }}',
+        gcpClientVersion: '{{ api.naming.version }}',
+        gcpRepo: 'googleapis/google-cloud-node',
+        gcpArtifact: '{{ api.publishName }}',
+      }
+    {%- endif %}
 
     // Choose either gRPC or proto-over-HTTP implementation of google-gax.
     this._gaxModule = {% if not api.legacyProtoLoad %}opts.fallback ? gaxInstance.fallback : gaxInstance{% else %}gax{% endif %};
@@ -409,6 +418,15 @@ export class {{ service.name }}Client {
        , 'x-goog-api-version': '{{ service.apiVersion }}'
 {%- endif %}});
 
+    {%- if api.enableTelemetryTracing %}
+    if (opts.enableTelemetryTracing) {
+      for (const methodName of Object.keys(this._defaults)) {
+        this._defaults[methodName].enableTelemetryTracing = opts.enableTelemetryTracing;
+        this._defaults[methodName].internalTelemetryInfo = opts.internalTelemetryInfo;
+      }
+    }
+    {%- endif %}
+
     // Set up a dictionary of "inner API calls"; the core implementation
     // of calling the API is handled in `google-gax`, with this code
     // merely providing the destination and request information.