# Dynamic Workflow

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> This section explains Dynamic Workflows with the Go SDK

## Set a Dynamic Workflow 

A Dynamic Workflow in Temporal is a Workflow that is invoked dynamically at runtime if no other Workflow with the same name is registered.
A Workflow can be registered as dynamic by using `worker.RegisterDynamicWorkflow()`.
You must register the Workflow with the Worker before it can be invoked.
Only one Dynamic Workflow can be present on a Worker.

The Workflow Definition must then accept a single argument of type `converter.EncodedValues`.

<!--SNIPSTART go-dynamic-workflow-definition-->
[go-sandbox/workflows/dynamic/workflow.go](https://github.com/temporalio/documentation-sdk-code-examples/blob/main/go-sandbox/workflows/dynamic/workflow.go)
```go
func DynamicWorkflow(ctx workflow.Context, args converter.EncodedValues) (string, error) {
	var result string
	info := workflow.GetInfo(ctx)

	var arg1, arg2 string
	err := args.Get(&arg1, &arg2)
	if err != nil {
		return "", fmt.Errorf("failed to decode arguments: %w", err)
	}

	if info.WorkflowType.Name == "dynamic-activity" {
		ctx = workflow.WithActivityOptions(ctx, workflow.ActivityOptions{StartToCloseTimeout: 10 * time.Second})
		err := workflow.ExecuteActivity(ctx, "random-activity-name", arg1, arg2).Get(ctx, &result)
		if err != nil {
			return "", err
		}
	} else {
		result = fmt.Sprintf("%s - %s - %s", info.WorkflowType.Name, arg1, arg2)
	}

	return result, nil
}
```
<!--SNIPEND-->