---
title: Set Up Participant Tasks
description: Learn how to set up to-do tasks, timer tasks, and questionnaires in Labfront's App Builder to complement your physiological data collection.
---
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# Set Up Participant Tasks
## Learn how to set up to-do tasks, timer tasks, and questionnaires in Labfront's App Builder.
---
Once you've [added a device and chosen your data source](https://help.labfront.com/choosing-your-data?hsLang=en), the next step is to create the tasks your participants will complete throughout the study. These tasks typically map directly to your research protocol.
##### In this article:
- [Types of tasks you can choose from](https://help.labfront.com/setting-up-participant-tasks#task-types)
- [How to set up tasks in the app builder](https://help.labfront.com/setting-up-participant-tasks#task-setup)
- [How to arrange tasks in the app builder](https://help.labfront.com/setting-up-participant-tasks#duplicate-task)
- [Task FAQs](https://help.labfront.com/setting-up-participant-tasks#faq)
---
### Types of Tasks
When creating a task, you’ll first choose between:
#### **Event Tracking Tasks**
- Designed for participants to log event-based occurrences as they happen.
- Persist and remain visible throughout the study period.
#### **Scheduled Tasks**
- Appear only at scheduled times and remain hidden until available.
- Can have expiration windows.
- Perfect for EMAs and structured daily/weekly protocols.
[Learn how to add advanced schedules →](https://help.labfront.com/task-scheduling-ema?hsLang=en)
---
### Task formats
Within either task type, you can create the following:
- **Questionnaire tasks**
- **To-Do tasks**
- **Timer tasks**
- **Movesense tasks** (if a Movesense device is included)
- **Garmin streaming tasks (ACC)**
All tasks are time-stamped and automatically linked with sensor data collected through Labfront.
##### Note
The option to create a Movesense Task only appears if your project includes a Movesense device.
[Learn more about Movesense tasks→](https://help.labfront.com/create-movesense-task?hsLang=en)
---
### **Task Type Details**
#### To-Do Tasks
Simple activity-based tasks displayed in the Labfront Companion app.
Use these when you want participants to complete an action but do not need a questionnaire or a timer.
##### Examples:
- "Complete an exercise activity today.”
- “Do a meditation session once a week.”
#### Questionnaires
Use these to collect survey responses throughout the project (e.g., baseline questionnaires, daily mood check-ins, sleep diaries).
##### **Benefits of using Labfront questionnaires:**
- Track completion in real time via the [Adherence Dashboard](https://help.labfront.com/track-adherence?hsLang=en)
- Export questionnaire responses alongside physiological data for easier analysis
[Learn more about Labfront questionnaires→](https://help.labfront.com/create-a-questionnaire?hsLang=en)
#### Timer Tasks
Timer-based tasks track the duration of an activity. Participants use the built-in app timer to complete them.
##### **Examples:**
- “Go for a 15-minute run.”
- “Do a 5-minute deep breathing exercise.”
#### Movesense Tasks
If your study uses a Movesense device, you’ll need a Movesense Task to collect ECG/IMU data.
[Learn more about creating a Movesense Task→](https://help.labfront.com/create-movesense-task?hsLang=en)
#### Garmin Streaming Tasks
Most Garmin devices collect data passively, but raw accelerometer data requires manual start/stop via a Garmin streaming task.
[Learn more about creating a Garmin Streaming Task→](https://help.labfront.com/garmin-acc-streaming?hsLang=en)
---
### Setting Up Tasks
##### **Reminders**
- Labfront has an **Autosave** feature, so your work is saved automatically.
- As you create tasks, you'll see a live preview of how they will appear in the participant app.
#### **Creating a Task**
For every task, complete the following fields:
- ##### **Task Name** - Choose a clear, participant-friendly name
- ##### **Task Description** - Briefly explain what participants should do
- ##### **Color** - Assign a color to visually differentiate the task card
- ##### **Schedule (For Scheduled Tasks Only)** - Set when the task will appear and, if applicable, when it expires
##### [Learn more about scheduling tasks for EMA→](https://help.labfront.com/task-scheduling-ema?hsLang=en)
Once everything is filled out, click **Save**.
### 
##### Important
A study must contain at least **one task** before it can be published.
If your protocol has no required tasks, you can add a simple To-Do Task such as **“Wear your Garmin.”**
### Update or arrange tasks
- To move a task, click Drag .
- To duplicate a task, click More **Duplicate**.
- To delete a task, click More **Delete.**
##### **Tip 💡**
To learn more about monitoring your participants' task completion, we recommend checking out our article on how to[track adherence on the Labfront dashboard](https://help.labfront.com/track-adherence?hsLang=en).
---
### Participant Task FAQs
#### **Can I see which tasks participants have completed?**
Absolutely! You can [view task adherence](https://help.labfront.com/track-adherence?hsLang=en) on the **Adherence** tab of your dashboard.
#### **Can I add or change a task after my study is published?**
Yes, you can [edit your project](https://help.labfront.com/edit-your-project?hsLang=en) and add a task. We recommend [sending a notification](https://help.labfront.com/push-notifications?hsLang=en) to participants to make them aware of the change.
#### **Can I add a link to a task for participants to click on, such as a YouTube video?**
Yes, links can be added to a task. You will need to enter the full URL.
#### **Can I delete a task after my study is published?**
It's not currently possible to delete a task after a project has been published, but you can **archive a task**, which serves a similar function. When you archive a task, it will no longer appear in the participant app. Data already collected will not be affected.
[Learn more about archiving tasks here→](https://help.labfront.com/edit-your-project?hsLang=en#hide-task)
#### **Can I edit a questionnaire in a live study?**
Questionnaires *cannot* currently be edited because doing so would make your data really difficult to keep track of (imagine multiple versions of the same questionnaire with only small changes). If you made a mistake on your questionnaire or want to add or remove a question, we suggest [archiving the questionnaire task](https://help.labfront.com/edit-your-project?hs_preview=koIVGqTb-96522227045&hsLang=en#hide-task) and [adding a new task](https://help.labfront.com/edit-your-project?hs_preview=koIVGqTb-96522227045&hsLang=en#new-task) with the updated questionnaire.
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