HttpQueryAttribute

HttpQueryAttribute

Annotation for a HttpParam indicating that its value comes from the HttpRequest query parameters.

Contains the Name (indicates the query parameter name) and Required (if true, throws exception when parameter not provided) properties.

Example:

GET http://localhost:7071/api/query-basics?someString=hello
  &anotherString=world
  &myObject={"x":1}
  &numberArray=1&numberArray=2
  &stringList=hello&stringList=world

[FunctionName("QueryParametersDemo1")]
public static async Task<IActionResult> QueryParametersDemo1(
    [HttpTrigger(AuthorizationLevel.Function, "get", Route = "query-basics")] HttpRequest req,
    [HttpQuery(Required = true)]HttpParam<string> someString,
    [HttpQuery(Name = "anotherString")]HttpParam<string> yetAnother,
    [HttpQuery]HttpParam<MyObject> myObject,
    [HttpQuery]HttpParam<long[]> numberArray,
    [HttpQuery]HttpParam<List<string>> stringList,
    ILogger log)
{
    log.LogInformation($"someString: {someString}");
    log.LogInformation($"anotherString: {yetAnother}");
    log.LogInformation($"myObject: {JsonConvert.SerializeObject(myObject.Value)}");
    log.LogInformation($"numberArray: {JsonConvert.SerializeObject(numberArray.Value)}");
    log.LogInformation($"stringList: {JsonConvert.SerializeObject(stringList.Value)}");
    return new OkObjectResult("ok");
}