Flow.Launcher/Flow.Launcher.Plugin/BaseModel.cs

using System.ComponentModel;
using System.Runtime.CompilerServices;
using JetBrains.Annotations;

namespace Flow.Launcher.Plugin
{
    /// <summary>
    /// Base model for plugin classes
    /// </summary>
    public class BaseModel : INotifyPropertyChanged
    {
        /// <summary>
        /// Property changed event handler
        /// </summary>
        public event PropertyChangedEventHandler PropertyChanged;

        /// <summary>
        /// Invoked when a property changes
        /// </summary>
        /// <param name="propertyName"></param>
        [NotifyPropertyChangedInvocator]
        protected void OnPropertyChanged([CallerMemberName] string propertyName = null)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));  
        }
    }
}