static async Task Main(string[] args)
{
// Setup a service collection.
var services = new Microsoft.Extensions.DependencyInjection.ServiceCollection()
// Add essential workflow services.
.AddElsaCore()
// Add Console activities (ReadLine and WriteLine).
.AddConsoleActivities()
.BuildServiceProvider();
// Get a workflow builder.
var workflowBuilder = services.GetRequiredService <IWorkflowBuilder>();
// Define a workflow and add a single activity.
var workflowDefinition = workflowBuilder
.StartWith <WriteLine>(x => x.TextExpression = new LiteralExpression("Hello world!"))
.Build();
// Get a workflow invoker,
var invoker = services.GetService <IWorkflowInvoker>();
// Start the workflow.
await invoker.StartAsync(workflowDefinition);
// Prevent the console from shutting down until user hits a key.
System.Console.ReadLine();
}
