> For the complete documentation index, see [llms.txt](https://taskoncommunitys-organization.gitbook.io/guide-book/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://taskoncommunitys-organization.gitbook.io/guide-book/community-hub/task-system/task-templates/on-chain-tasks.md).

# On-chain Tasks

TaskOn currently supports various `on-chain templates`, including `Swap`, `Add Liquidity`, `Lending`, `NFT Holder`, `Token Balance`, `Gas Fee Spent Amount`, `Number of Transactions`, and more. You can set up on-chain tasks based on your own requirements.

## Swap

1. Choose DEX; TaskOn Community now support `Uniswap`, `Pancake Swap`, `Curve`.
2. Choose Swap, enter the network, and tokens.

<figure><img src="/files/rbxVZXhxyxol9r7z2RNL" alt="" width="563"><figcaption></figcaption></figure>

3. Set value requirement

There are three types: `At least`, `Less than`, `In the range`. Enter the number. You also can set the times of swap.

<figure><img src="/files/EijM9wK5bfJQAKQ3jhnL" alt=""><figcaption></figcaption></figure>

4. Finish Extra Settings

*For extra settings, please refer to the* [*tutorial*](/guide-book/boost-engagement/task-system/how-to-create-tasks/step3-extra-settings.md).

## Add Liquidity

1. Choose DEX; TaskOn Community now support `Uniswap`, `Pancake Swap`, `Curve`.
2. Choose `Add Liquidity`, add description of the task, and select the network.

<figure><img src="/files/Bds9Lda7p5vxCKcYtRRG" alt=""><figcaption></figcaption></figure>

3. Select `Quote` token and `Base` token.

<figure><img src="/files/E6owqJMhIr1ddPZgmTog" alt=""><figcaption></figcaption></figure>

4. Set value requirement: `At least`, `Less than`, `In the range`. You can also set the times of transaction.
5. Click "`Test this task`" to verify the task process.

<figure><img src="/files/mVTxNKQaEgzj43ZphMvk" alt=""><figcaption></figcaption></figure>

6. Extra Settings

*For extra settings, please refer to the* [*tutorial*](/guide-book/boost-engagement/task-system/how-to-create-tasks/step3-extra-settings.md).

### NFT Holder

1. Click "`Wallet Balance`”,  and select "`Specific NFT Holder`".
2. Select Network.

<figure><img src="/files/DoItsylKEtmodq68Knvz" alt=""><figcaption></figcaption></figure>

3. Choose NFT.

<figure><img src="/files/evz9dX0Si7lCgqKaaJKa" alt=""><figcaption></figcaption></figure>

If it does not show any NFT collection, please click "`Add New NFT`", and enter the `NFT contract address`.

<figure><img src="/files/6YI7eDLGGI2oiOTySlcc" alt=""><figcaption></figcaption></figure>

4. Set value requirement: `At least`, `Less than`, `In the range`. You can also set the times of transaction (optional).
5. Click "`Test this task`" to verify the task process.

<figure><img src="/files/mVTxNKQaEgzj43ZphMvk" alt=""><figcaption></figcaption></figure>

6. Extra Settings

*For extra settings, please refer to the* [*tutorial*](/guide-book/boost-engagement/task-system/how-to-create-tasks/step3-extra-settings.md).

### Token Balance

1. Click "`Wallet Balance`",  and click "`Minimum Token Balance`".
2. Select network, and choose the token.

<figure><img src="/files/ojvW0C0CG5SVbmLU3DpT" alt="" width="563"><figcaption></figcaption></figure>

3. Set value requirement: `At least`, `Less than`, `In the range`. You can also set the times of transaction (optional).

<figure><img src="/files/JssN4Okpu9ybQREie28E" alt="" width="563"><figcaption></figcaption></figure>

4. Finish Extra Settings

*For extra settings, please refer to the* [*tutorial*](/guide-book/boost-engagement/task-system/how-to-create-tasks/step3-extra-settings.md).

### Gas Fee Spent Amount

1. Choose `Gas Related`, and click "`Gas Fee Spent Amount`".
2. Select network.
3. Set value requirement: `At least`, `Less than`, `In the range`.

<figure><img src="/files/3R5eqJQUEAOFKIxCg5yR" alt=""><figcaption></figcaption></figure>

4. Finish Extra Settings

*For extra settings, please refer to the* [*tutorial*](/guide-book/boost-engagement/task-system/how-to-create-tasks/step3-extra-settings.md).

### Number of Transaction on Specified Chain

1. Choose `Gas Related`, and click "`Number of Transactions on Specified Chain`".
2. Select network, and enter the required times of transactions.

<figure><img src="/files/8jOwz3BhMWUCHTNgq4Am" alt=""><figcaption></figcaption></figure>

3. Finish Extra Settings

*For extra settings, please refer to the* [*tutorial*](/guide-book/boost-engagement/task-system/how-to-create-tasks/step3-extra-settings.md).

### Lending: Borrow & Supply

1. Choose Lending. TaskOn Community now support `Compound`, `AAVE`.
2. Click "Borrow/Supply token on Compound V2/AAVE V2".
3. Enter the task description & URL (optional).

<figure><img src="/files/X5GVSk85SWlV5FSDhpel" alt="" width="563"><figcaption></figcaption></figure>

4. Select network, and enter the token.

<figure><img src="/files/IztS8VcNDCG9OLabU7mQ" alt=""><figcaption></figcaption></figure>

5. Set value cequirement: `At least`, `Less than`, `In the range`. You can also set the times of transaction (optional).
6. Click "`Test this task`" to verify the task process.

<figure><img src="/files/r3zzUykrWEkPwN9bu4mJ" alt=""><figcaption></figcaption></figure>

## Contract Interaction

Please note that your contract needs to be added to the whitelist. If your contract is not yet on the whitelist, please fill out the [**form**](https://docs.google.com/forms/d/e/1FAIpQLScanVhek7wT_0DMpL6rnPLnPHVh8JAcu4PHJZtT17jh12J0SA/viewform) and wait for approval.

1. Choose networks.

<figure><img src="/files/ZF0QNZCWd5uPPOCUGdJt" alt="" width="563"><figcaption></figcaption></figure>

2. Enter contract address

**Please note that your contract needs to be added to the whitelist. If your contract is not yet on the whitelist, please fill out the** [**form**](https://docs.google.com/forms/d/e/1FAIpQLScanVhek7wT_0DMpL6rnPLnPHVh8JAcu4PHJZtT17jh12J0SA/viewform) **and wait for approval.**

<figure><img src="/files/M2EtWyZrrTAFMwcXDv6t" alt="" width="563"><figcaption></figcaption></figure>

3. Enter the function.

<figure><img src="/files/x1r2ftQHU5zjLngFfvZN" alt="" width="563"><figcaption></figcaption></figure>

4. Choose the category and task url.

<figure><img src="/files/aZmGjaJvbvdk2hia5uBk" alt="" width="563"><figcaption></figcaption></figure>

5. Set task time.

<figure><img src="/files/PXvsRoQZq69pREDuMo53" alt="" width="563"><figcaption></figcaption></figure>

6. Preparation for task execution.

Please specify the preparations users should do to execute this task.

<figure><img src="/files/wZyk3Lg6A5YohZOTvEOc" alt="" width="563"><figcaption></figcaption></figure>

7. Task Instruction.

Please specify the instructions on how to complete this task

<figure><img src="/files/kjWhlRRdFeJfwAcrtYrJ" alt="" width="563"><figcaption></figcaption></figure>

8. Finish Extra Settings

*For extra settings, please refer to the* [*tutorial*](/guide-book/boost-engagement/task-system/how-to-create-tasks/step3-extra-settings.md).