# list

### Description

List a certain amount of tokens on the marketplace.

### Transaction Fee

1 KAS minimum required.

### Parameters

JSON format example: 

{% code overflow="wrap" %}

```json
{"p":"krc-20","op":"list","tick":"kasp","amt":"22100000000"}
```

{% endcode %}

#### Mint Mode

Enabled when ( DaaScore >= 97539090 ).

<table><thead><tr><th width="198">Key</th><th width="101.33333333333331">Required?</th><th>Description</th></tr></thead><tbody><tr><td>p</td><td>Yes</td><td>Protocol header. <strong>Must be "krc-20"</strong> (case-insensitive)<strong>.</strong></td></tr><tr><td>op</td><td>Yes</td><td>Operation. <strong>Must be "list"</strong> (case-insensitive).</td></tr><tr><td>tick</td><td>Yes</td><td>Ticker. 4 to 6 letter unique identifier of the token (case-insensitive).</td></tr><tr><td>amt</td><td>Yes</td><td>The amount of the tokens to list, including decimal.</td></tr></tbody></table>

#### Issue Mode

Enabled when ( DaaScore >= 110165000 ).

<table><thead><tr><th width="198">Key</th><th width="101.33333333333331">Required?</th><th>Description</th></tr></thead><tbody><tr><td>p</td><td>Yes</td><td>Protocol header. <strong>Must be "krc-20"</strong> (case-insensitive)<strong>.</strong></td></tr><tr><td>op</td><td>Yes</td><td>Operation. <strong>Must be "list"</strong> (case-insensitive).</td></tr><tr><td>ca</td><td>Yes</td><td>Contract address of the token.</td></tr><tr><td>amt</td><td>Yes</td><td>The amount of the tokens to list, including decimal.</td></tr></tbody></table>

### Notice

* The transaction’s first output MUST be a [send operation](https://docs-kasplex.gitbook.io/krc20/technical-overview/krc-20-ops/send) created according to the specification and using the **same PUBKEY**.
* After the order is successfully placed, the corresponding amount of Tokens will be bound to the first output UTXO.