diff --git a/src/v2/providers/eventarc.ts b/src/v2/providers/eventarc.ts
index fd56e714f..17750d34a 100644
--- a/src/v2/providers/eventarc.ts
+++ b/src/v2/providers/eventarc.ts
@@ -28,7 +28,7 @@ import * as options from '../options';
 /** Options that can be set on an Eventarc trigger. */
 export interface EventarcTriggerOptions extends options.EventHandlerOptions {
   /**
-   * Type of the event.
+   * Type of the event to trigger on.
    */
   eventType: string;
 
@@ -54,14 +54,26 @@ export interface EventarcTriggerOptions extends options.EventHandlerOptions {
   filters?: Record<string, string>;
 }
 
+/**
+ * A function that takes a {@link CloudEvent}.
+ */
 export type CloudEventHandler = (event: CloudEvent<any>) => any | Promise<any>;
 
-/** Handle an Eventarc event published on the default channel. */
+/** Handles an Eventarc event published on the default channel.
+ * @param eventType - Type of the event to trigger on.
+ * @param handler - A function to execute when triggered.
+ * @returns A function that you can export and deploy.
+ */
 export function onCustomEventPublished<T = any>(
   eventType: string,
   handler: CloudEventHandler
 ): CloudFunction<CloudEvent<T>>;
 
+/** Handles an Eventarc event.
+ * @param opts - Options to set on this function
+ * @param handler - A function to execute when triggered.
+ * @returns A function that you can export and deploy.
+ */
 export function onCustomEventPublished<T = any>(
   opts: EventarcTriggerOptions,
   handler: CloudEventHandler