> For the complete documentation index, see [llms.txt](https://helpdocs.conducttr.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://helpdocs.conducttr.com/feature-documentation/api/endpoint-reference/exercise-control/post-pol.md).

# POST pol

<mark style="color:green;">`POST`</mark> `/pol`

Sends Pattern of Life (PoL) command to start, stop, or continue a stack for a specific team.

{% hint style="info" %}
PoL automatically times out after 15 minutes of inactivity. This prevents sessions from being left running unintentionally. To maintain an active session, your application must send a "continue" keep-alive signal before the timer expires
{% endhint %}

**Headers**

| Name          | Value              |
| ------------- | ------------------ |
| Content-Type  | `application/json` |
| Authorization | `Bearer <token>`   |

**Body**

```
{
  "command": "start" | "stop" | "continue",
  "stack": "01",
  "team_id": "3437866",
  "type": "individual" | "team",
  "interval": "2",
  "index": "0001"
}
```

<table><thead><tr><th width="130">Field</th><th width="86">Type</th><th width="84">Required</th><th>Description</th></tr></thead><tbody><tr><td><code>command</code></td><td>string</td><td>Yes</td><td>One of: <code>start</code>, <code>stop</code>, <code>continue</code></td></tr><tr><td><code>stack</code></td><td>string</td><td>Yes</td><td>Stack number (e.g., "01", "17", "36") must be 2 digits</td></tr><tr><td><code>team_id</code></td><td>string</td><td>Yes</td><td>Team ID to run the stack for</td></tr><tr><td><code>type</code></td><td>string</td><td>Yes</td><td>Either <code>individual</code> or <code>team</code></td></tr><tr><td><code>interval</code></td><td>string</td><td>Yes</td><td>Interval in seconds (1-7200)</td></tr><tr><td><code>index</code></td><td>string</td><td>Yes</td><td>Starting index position (e.g., "0001") must be 4 digits</td></tr></tbody></table>

**Commands**

<table><thead><tr><th width="137">Command</th><th>Description</th></tr></thead><tbody><tr><td><code>start</code></td><td>Start the stack from the specified index</td></tr><tr><td><code>stop</code></td><td>Stop the currently running stack</td></tr><tr><td><code>continue</code></td><td>Continue the stack from current position</td></tr></tbody></table>

**Interval Values**

<table><thead><tr><th width="118">Interval</th><th width="218">Time in seconds</th></tr></thead><tbody><tr><td>1</td><td>2</td></tr><tr><td>2</td><td>4</td></tr><tr><td>3</td><td>6</td></tr><tr><td>4</td><td>8</td></tr><tr><td>5</td><td>10</td></tr><tr><td>6</td><td>12</td></tr><tr><td>7</td><td>15</td></tr><tr><td>8</td><td>17</td></tr><tr><td>9</td><td>20</td></tr><tr><td>10</td><td>25</td></tr><tr><td>11</td><td>30</td></tr><tr><td>12</td><td>35</td></tr><tr><td>13</td><td>40</td></tr><tr><td>14</td><td>50</td></tr><tr><td>15</td><td>60</td></tr><tr><td>16</td><td>120</td></tr><tr><td>17</td><td>180</td></tr><tr><td>18</td><td>240</td></tr><tr><td>19</td><td>300</td></tr><tr><td>20</td><td>600</td></tr><tr><td>21</td><td>900</td></tr></tbody></table>

**Response**

{% tabs %}
{% tab title="204 Accepted" %}

```json
{
  "success": true
}
```

{% endtab %}

{% tab title="400" %}
Bad request - likely wrong team id

```json
"Stack {stack} is an empty!" means the stack number is incorrect
```

{% endtab %}

{% tab title="409" %}
Returned when `start` or `continue` is requested for a stack that is already running:

* Message: `Stack '{stack}' is already running, please try again later`
  {% endtab %}

{% tab title="429" %}
Returned when the space has exceeded the maximum allowed concurrent stacks&#x20;

* Message: `You have already exceeded the maximum allowed concurrent stacks, please try again later`
  {% endtab %}
  {% endtabs %}


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