VRC0019: NetworkCallableAttribute must be required for calling method via SendCustomNetworkEvent with parameters

Property	Value
ID	VRC0019
Category	Usage
Severity	Error
Runtime Version	3.8.1 ~ latest

NetworkCallableAttribute must be required for calling method via SendCustomNetworkEvent with parameters

Example

Code with Diagnostic

using UdonSharp;

using VRC.SDK3.UdonNetworkCalling;
using VRC.Udon.Common.Interfaces;

class TestBehaviour : UdonSharpBehaviour
{
    public void TestMethod()
    {
        SendCustomNetworkEvent(NetworkEventTarget.All, "SomeMethod", 1);
        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    }

    public void SomeMethod(int value) { }
}

Code with Fix

using UdonSharp;

using VRC.SDK3.UdonNetworkCalling;
using VRC.Udon.Common.Interfaces;

class TestBehaviour : UdonSharpBehaviour
{
    public void TestMethod()
    {
        SendCustomNetworkEvent(NetworkEventTarget.All, "SomeMethod", 1);
    }

    [global::VRC.SDK3.UdonNetworkCalling.NetworkCallable]
    public void SomeMethod(int value) { }
}