//Writing code...

[EventSourceEventGenerate]
internal sealed unsafe /*It's mandatory or in method write unsafe*/ partial class RuntimeEventSource : EventSource
{
    [Event(1)]
    public partial void GoHome(string address,double usedTime);
}


//Will generated
public void GoHome(string address,double usedTime)
{
    address ??= System.String.Empty;
    global::System.Diagnostics.Tracing.EventSource.EventData* datas = stackalloc global::System.Diagnostics.Tracing.EventSource.EventData[2];
    datas[0] = new global::System.Diagnostics.Tracing.EventSource.EventData
    {
        //Use unsafe method because it is faster than fixed, and easily to generate
        DataPointer = (nint)global::System.Runtime.CompilerServices.Unsafe.AsPointer(ref global::System.Runtime.InteropServices.MemoryMarshal.GetReference(global::System.MemoryExtensions.AsSpan(address)),
        Size = (address.Length + 1) * sizeof(char)
    };
    datas[1] = new global::System.Diagnostics.Tracing.EventSource.EventData
    {
        DataPointer = (nint)(&usedTime),
        Size = sizeof(double)
    };
    WriteEventWithRelatedActivityIdCore(1, null, 2, datas);
    OnRaise(i, address);
}

[global::System.Diagnostics.Tracing.NonEventAttribute]
partial void OnRaise(int i, string address);