Example if a DurableClient on .NET 8+ isolated

FlowCleanupOrchestrator.cs

        [Function("FlowCleanupOrchestratorTimeTrigger")]
        public async Task Run([TimerTrigger("%FlowCleanupTimeTrigger%", RunOnStartup = true)] TimerInfo myTimer,
            [DurableClient] DurableTaskClient client)
        {
            var instanceId = Guid.NewGuid().ToString();

            try
            {
                _logger.LogInformation($"FlowCleanupOrchestratorTimeTrigger Timer trigger function activated for instanceId: {instanceId}");

                await client.ScheduleNewOrchestrationInstanceAsync(nameof(FlowCleanupOrchestrator), new StartOrchestrationOptions(InstanceId: instanceId));
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, $"FlowCleanupOrchestratorTimeTrigger: queue trigger function exception for instanceId: {instanceId}. Details: {ex.Message}");
            }
        }