Update documents.

Author: liuyunnnn

docs/generated/api.json

@@ -1783,7 +1783,7 @@
             {
               "kind": "PropertySignature",
               "canonicalReference": "@google-cloud/functions-framework!Request_2#executionId:member",
-              "docComment": "",
+              "docComment": "/**\n * Request-specified execution ID.\n */\n",
               "excerptTokens": [
                 {
                   "kind": "Content",
@@ -1838,7 +1838,7 @@
             {
               "kind": "PropertySignature",
               "canonicalReference": "@google-cloud/functions-framework!Request_2#spanId:member",
-              "docComment": "",
+              "docComment": "/**\n * Cloud Trace span ID.\n */\n",
               "excerptTokens": [
                 {
                   "kind": "Content",
@@ -1865,7 +1865,7 @@
             {
               "kind": "PropertySignature",
               "canonicalReference": "@google-cloud/functions-framework!Request_2#traceId:member",
-              "docComment": "",
+              "docComment": "/**\n * Cloud Trace trace ID.\n */\n",
               "excerptTokens": [
                 {
                   "kind": "Content",

docs/generated/api.md

@@ -115,12 +115,9 @@ export interface LegacyEvent {
 
 // @public (undocumented)
 interface Request_2 extends Request_3 {
-    // (undocumented)
     executionId?: string;
     rawBody?: Buffer;
-    // (undocumented)
     spanId?: string;
-    // (undocumented)
     traceId?: string;
 }
 export { Request_2 as Request }

src/async_local_storage.ts

@@ -49,4 +49,4 @@ export function getCurrentContext(): ExecutionContext | undefined {
 
 export const getCurrentExecutionId = (): string | undefined => {
   return getCurrentContext()?.executionId;
-};
+};

src/functions.ts

@@ -33,10 +33,16 @@ export interface Request extends ExpressRequest {
    */
   rawBody?: Buffer;
   /**
-   * Request-specified execution id.
+   * Request-specified execution ID.
    */
   executionId?: string;
+  /**
+   * Cloud Trace trace ID.
+   */
   traceId?: string;
+  /**
+   * Cloud Trace span ID.
+   */
   spanId?: string;
 }