Get an InvalidParameter error when trying to send a fax through API

Question

using this APIrestClient.post(      restClient.restApi("v1.0").account("~").extension("~").fax().endpoint(), qParam);with Query parametersQueryParameter[] qParam = new QueryParameter[3];QueryParameter p0 = new QueryParameter("attachment", "");QueryParameter p1 = new QueryParameter("faxResolution", "High");QueryParameter p2 = new QueryParameter("to", "+14694804418");qParam[0] = p0;qParam[1] = p1;qParam[2] = p2;The error message is:com.ringcentral.RestException: HTTP status code: 400{"errorCode" : "InvalidParameter","message" : "Parameter [] value is invalid","errors" : [ {"errorCode" : "CMN-101","message" : "Parameter [] value is invalid","parameterName" : ""} ],"parameterName" : ""}

PhongVu · Answer

Hi,

Here is snippet code to send fax.

var attachment = new Attachment { fileName = "test.jpg", contentType = "image/jpeg", bytes = System.IO.File.ReadAllBytes("test.jpg") };
var attachments = new Attachment[] { attachment };
var body = new {
               to = new CallerInfo[] { new CallerInfo { phoneNumber = RECIPIENT } },
               faxResolution = "High",
               coverPageText = "This is a demo Fax page from C Sharp"
               };
var resp = await rc.Restapi().Account().Extension().Fax().Post(body, attachments);

Hope this helps!
+ Phong

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