Example of an OrchestrationTrigger with .NET 8 isolated, Voluntarily missing some business logic)

ExportOrchestrator.cs

[Function(nameof(ExportOrchestrator))]
public async Task<string> RunOrchestrator([OrchestrationTrigger] TaskOrchestrationContext context)
{
    try
    {
        // Handling business logic
        // ...
        
        var entityId = new EntityInstanceId(nameof(ExportProcessState), entityKey);

        // Handling business logic
        // ...
            
        await using (await context.Entities.LockEntitiesAsync(entityId))
        {
            // Define activity retry policy            
            var retryConfig = new retryConfig(); // Getting default config
            var taskOptions = TaskOptions.FromRetryPolicy(
                  new RetryPolicy(
                    retryConfig.MaxNumberOfAttempts,
                    retryConfig.FirstRetryInterval,
                    retryConfig.BackoffCoefficient,
                    retryConfig.MaxRetryInterval,
                    retryConfig.RetryTimeout
                  ));
            
            var report = await context.CallActivityAsync<ReportParameters>(nameof(StorageActivity), new Parameters(), taskOptions);
            
            // Handling business logic
            // ...
        
        }
        return "Task Completed";
    }
    catch (Exception ex)
    {
        Error handling
        // ...

        context.SetCustomStatus($"Exception details: {ex.Message}");
        return "Failure";
    }
}