---
layout: default
navsection: userguide
title: "Writing a CWL workflow"
...

{% include 'what_is_cwl' %}

{% include 'tutorial_expectations' %}

h2. Registering a CWL workflow

Use @--create-workflow@ to register a CWL workflow with Arvados.

The following examples assume that you have prepared to run arvados-cwl-runner tool as explained in the "Using Common Workflow Language":{{site.baseurl}}/user/topics/running-workflow-command-line.html.textile.liquid page.

{% include 'register_cwl_workflow' %}

h2. Running a CWL workflow

h3. Running the workflow at command prompt

TBD

h3. Running the workflow using Workbench

The workflow can also be executed using Workbench. Go to the Workbench Dashboard and click the <span class="btn btn-sm btn-primary"><i class="fa fa-fw fa-gear"></i> Run a process...</span> button and select the desired workflow.