public enum TemplateType : System.Enum, System.IComparable, System.IConvertible, System.IFormattable  

//Settings used to create a new project
CreateProjectSettings proTemplateSettings = new CreateProjectSettings()
{
  //Sets the project's name
  Name = "New Project",
  //Path where new project will be stored in
  LocationPath = @"C:\Data\NewProject",
  //Select which Pro template you like to use
  TemplateType = TemplateType.Catalog
  //TemplateType = TemplateType.LocalScene
  //TemplateType = TemplateType.GlobalScene
  //TemplateType = TemplateType.Map
};
//Create the new project
await Project.CreateAsync(proTemplateSettings);