How to do it...

Perform the following steps:

1. Navigate to the Integrate tab of the RegisterUser HTTP trigger function.
2. Click on the New Output button, select Azure Table Storage, and then click on the Select button:

1. You will be prompted to install the bindings. Click on Install. This should take a take a few minutes. Once the bindings are installed, choose the following settings of the Azure Table storage output bindings:

   • Table parameter name: This is the name of the parameter that you will be using in the Run method of the Azure Function. For this example, provide objUserProfileTable as the value.
   • Table name: A new table in Azure Table storage will be created to persist the data. If the table doesn't exist already, Azure will automatically create one for you! For this example, provide tblUserProfile as the table name.
   • Storage account connection: If you don't see the Storage account connection string, click on new (as shown in the following screenshot) to create a new one or choose an existing storage account.
   • The Azure Table storage output bindings should be as follows:

1. Click on Save to save your changes.
2. Navigate to the code editor by clicking on the function name and paste in the following code. The following code accepts the input that's passed by the end user and saves it in Table Storage:

#r "Newtonsoft.Json"
#r "Microsoft.WindowsAzure.Storage"

using System.Net;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Primitives;
using Newtonsoft.Json;
using Microsoft.WindowsAzure.Storage.Table;

public static async Task<IActionResult> Run(
 HttpRequest req, 
 CloudTable objUserProfileTable,
 ILogger log)
{
  log.LogInformation("C# HTTP trigger function processed a request.");
  string firstname=null,lastname = null;
  string requestBody = await new     StreamReader(req.Body).ReadToEndAsync();
 dynamic inputJson = JsonConvert.DeserializeObject(requestBody);
 firstname = firstname ?? inputJson?.firstname;
 lastname = inputJson?.lastname;
 UserProfile objUserProfile = new UserProfile(firstname, lastname);
 TableOperation objTblOperationInsert =  TableOperation.Insert(objUserProfile);
 await objUserProfileTable.ExecuteAsync(objTblOperationInsert);
 return (lastname + firstname) != null
 ? (ActionResult)new OkObjectResult($"Hello, {firstname + " " + lastname}")
 : new BadRequestObjectResult("Please pass a name on the query" + "string or in the request body");
}

class UserProfile : TableEntity
 {
 public UserProfile(string firstName,string lastName)
 {
 this.PartitionKey = "p1";
 this.RowKey = Guid.NewGuid().ToString();
 this.FirstName = firstName;
 this.LastName = lastName;
 }
    UserProfile() { }
 public string FirstName { get; set; }
 public string LastName { get; set; }
 }

1. Let's execute the function by clicking on the Run button of the Test tab by passing the firstname and lastname parameters in the Request body:

1. If everything went well, you should get a Status 200 OK message in the Output box, as shown in the preceding screenshot. Let's navigate to Azure Storage Explorer and view the table storage to see whether the table named tblUserProfile was created successfully: