Azure function documentdb out parameters error

Question

How do I use docuementdb binding with azure function http binding:

using System.Net;

public static async Task<HttpResponseMessage> Run(HttpRequestMessage req, out object locationDocument, TraceWriter log){
    log.Info("C# HTTP trigger function processed a request.");
    var data = await req.Content.ReadAsStringAsync();

    return req.CreateResponse(HttpStatusCode.OK, $"{data}");
}

Getting this error:

error CS1988: Async methods cannot have ref or out parameters

Community · Accepted Answer · 2017-05-23 10:29:52Z

1

This is not specific to Document DB. If your function is async, and you already used the return value for HTTP output binding, you would need to inject IAsyncCollector<T> for all other output bindings.

See the second example in this answer.

edited May 23, 2017 at 10:29

CommunityBot

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answered Mar 7, 2017 at 7:59

Mikhail Shilkov

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