Get UserAgent

public class TestScript : MonoBehaviour
{
    public EdgeCanvas m_edgeCanvas;

    void OnGUI()
    {
        if (GUILayout.Button("GetUserAgent"))
        {        
            var value = m_edgeCanvas.GetUserAgent();
            Debug.Log(value);
        } 
    }
}

Result:

Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36
 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36 Edg/128.0.0.0