SoapClient.Retrieve() unable to deserialize Activity object.

[barokzi]

Describe the bug
SoapClient.Retrieve() unable to deserialize Activity object.

To Reproduce

{
:
RetrieveRequest rr = new RetrieveRequest();
            rr.ClientIDs = new[] { _ClientId }; // instantiated outside block, ClientId1 assigned.
            rr.ObjectType = "Activity";
            rr.Properties = new[] {
                "ObjectID",
                 "Definition.ObjectID",
                "Sequence",
                "Name",
                "CustomerKey",
                "IsActive",
                "CreatedDate",
                "ModifiedDate" };
            rr.Filter = filter;
           
            string resp = SoapClient.Retrieve(rr, out string requestID, out APIObject[] results);
            // i get an exception at this point.

:
}

Expected behavior
results parameter would contain deserialized Activity objects.
The same snippet above (with appropriate "Properties" settings) work for retrieving Automation objects.

Screenshots

Note: I did have to instantiate a new SoapClient object so I can use my UserName/Password:
```
public SoapClient OpenSoapClient(string username, string password)
{
// Create the SOAP binding for call.
BasicHttpBinding binding = new BasicHttpBinding();
binding.Name = "UserNameSoapBinding";
binding.Security.Mode = BasicHttpSecurityMode.TransportWithMessageCredential;
binding.MaxReceivedMessageSize = 2147483647;
var soap = new SoapClient(binding, ETClient.SoapClient.Endpoint.Address);
soap.ClientCredentials.UserName.UserName = username.IfNullOrWhiteSpace("");
soap.ClientCredentials.UserName.Password = password.IfNullOrWhiteSpace("");
return soap;
}

[imartinflores]

Is there any updates on this ?

I am getting "Security requirements are not satisfied because the security header is not present in the incoming message." when trying to execute a SoapClient.Retrieve , is the header token not working ?

[rodelpontanares]

So what I am trying to do in my original post is to get the (at least the SQL) activities for a particular automation.
My intent was to get the automation activity(s) for the automation, and based on the documentation automationactivity object includes activity object definition (key or id).

Anyone?

[barokzi]

@imartinflores.
Unfortunately, the deserialization issue is still unsolved. However in your case, you need to add the authorized token header prior to calling SoapClient.Retrieve(), which is actually easier than what i did to circumvent the header issue.