> For the complete documentation index, see [llms.txt](https://help.novacuraflow.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.novacuraflow.com/6.12/development/flow-studio/applications/workflow/user-step/check-list-sub-task.md).
# Check list sub task
A sub workflow is an element in a User step
 \
**There are three types of sub workflows:**\
**Check List:** Executes one workflow for each record in a list of things to do.\
**Item Creation:** Creates a new item for each time the sub workflow is executed.\
**Verb:** A side track in the workflow where the sub workflow can be executed one or many times.
### Check List Sub Task
A sub workflow is created from a *User Step*. Create a new *User Step* and add a sub workflow element. Configure the appearance of sub workflow in the client.
Set the following:
* **Title:** Title of the check list.
* **Icon:** The icon that will be showed in the check list.
* **Target Variable:** Enter a name for the output variable. The output from the sub workflow will end up in this new table variable.
* **Source:** Choose a table from the list of available table variables. Each row in the result from the table variable will be a row in the check list.
* **Row Variable:** Enter a varibale name, this vaiable will hold the source data of the choosen check list row and make the data available in the sub workflow.
* **Sub Task Text:** Text on the check list row.
* **Pills:** The indicator on the sub workflow button.
* **Pre-Blurbs:** Information to the user, before taping/clicking on the check list row.
* **Post-Blurbs:** Information to the user, after taping/clicking on the check list row.
Close the *User Step*, an icon will now appear that representing the added sub workflow. Double click on the sub workflow icon to open the (empty) sub workflow. Create a workflow, all variables from the main workflow are available in the sub workflow. Return data back to the main workflow, by configuring the *End step* in the sub workflow.
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