'SDKERR_INVALID_PARAMETER' returned after calling 'CreateAuthService'

Meeting SDK Windows
1

Description
I am attempting to import methods from ‘sdk.dll’ so that I may use them in the Unity game engine. I have started implementing ‘AuthService’ which is meant to be a wrapper around ‘ZOOMSDK::IAuthService’. When I call my method ‘CreateAuthService(IntPtr)’ I get the return value SDKERR_INVALID_PARAMETER’. I am curious to know if the issue is coming from the parameter I supplied. Am I marshaling it incorrectly?

Which Windows Meeting SDK version?
v5.10.3.4884

Code Snippet (this is my C# code)

using System;
using System.Runtime.InteropServices;
using static ZoomNative;

public class AuthService
{
    [DllImport("sdk.dll", CallingConvention = CallingConvention.Cdecl)]
    private static extern int CreateAuthService(IntPtr authService);
    
    [DllImport("sdk.dll", CallingConvention = CallingConvention.Cdecl)]
    private static extern int DestroyAuthService(IntPtr authService);
    
    private readonly IntPtr _authServicePtr;
    public readonly SDKError createResult;
    public SDKError destructResult { get; private set; }

    public AuthService()
    {
        createResult = (SDKError)CreateAuthService(_authServicePtr);
    }

    ~AuthService()
    {
        destructResult = (SDKError)DestroyAuthService(_authServicePtr);
    }
}

Device:

  • Device: Asus B550
  • OS: Windows 10

Additional Context
This is the signature of the method I’m trying to import from c++.

extern "C"{
SDK_API SDKError CreateAuthService(IAuthService** ppAuthService);
}
2

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