/// <summary>Snippet for ListMessages</summary>
        public void ListMessagesRequestObject()
        {
            // Snippet: ListMessages(ListMessagesRequest, CallSettings)
            // Create client
            ConversationsClient conversationsClient = ConversationsClient.Create();
            // Initialize request argument(s)
            ListMessagesRequest request = new ListMessagesRequest
            {
                ParentAsConversationName = ConversationName.FromProjectConversation("[PROJECT]", "[CONVERSATION]"),
                Filter = "",
            };
            // Make the request
            PagedEnumerable <ListMessagesResponse, Message> response = conversationsClient.ListMessages(request);

            // Iterate over all response items, lazily performing RPCs as required
            foreach (Message item in response)
            {
                // Do something with each item
                Console.WriteLine(item);
            }

            // Or iterate over pages (of server-defined size), performing one RPC per page
            foreach (ListMessagesResponse page in response.AsRawResponses())
            {
                // Do something with each page of items
                Console.WriteLine("A page of results:");
                foreach (Message item in page)
                {
                    // Do something with each item
                    Console.WriteLine(item);
                }
            }

            // Or retrieve a single page of known size (unless it's the final page), performing as many RPCs as required
            int            pageSize   = 10;
            Page <Message> singlePage = response.ReadPage(pageSize);

            // Do something with the page of items
            Console.WriteLine($"A page of {pageSize} results (unless it's the final page):");
            foreach (Message item in singlePage)
            {
                // Do something with each item
                Console.WriteLine(item);
            }
            // Store the pageToken, for when the next page is required.
            string nextPageToken = singlePage.NextPageToken;
            // End snippet
        }