# Get fishing events with a custom polygon (POST) (/docs/examples/events/post-example1)



**Query parameters**

| Parameter | Value | Description                   |
| --------- | ----- | ----------------------------- |
| `offset`  | `0`   | Pagination offset             |
| `limit`   | `1`   | Max number of events returned |

**Request body**

| Field       | Value                                     | Description                       |
| ----------- | ----------------------------------------- | --------------------------------- |
| `datasets`  | `["public-global-fishing-events:latest"]` | Fishing events dataset            |
| `startDate` | `2017-01-01`                              | Start of the date range           |
| `endDate`   | `2017-01-31`                              | End of the date range             |
| `flags`     | `["CHN"]`                                 | Filter by vessel flag             |
| `geometry`  | custom `Polygon`                          | Custom region to filter events in |

**Request**

<Tabs items="['cURL', 'Python', 'JavaScript']">
  <Tab value="cURL">
    ```shell
    # Make sure to replace [TOKEN] with your API Access Token.
    curl --location --request POST 'https://gateway.api.globalfishingwatch.org/v3/events?offset=0&limit=1' \
    --header 'Authorization: Bearer [TOKEN]' \
    --header 'Content-Type: application/json' \
    --data-raw '{
        "datasets": [ "public-global-fishing-events:latest"],
        "startDate": "2017-01-01",
        "endDate": "2017-01-31",
        "flags": ["CHN"],
        "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  120.36621093749999,
                  26.725986812271756
                ],
                [
                  122.36572265625,
                  26.725986812271756
                ],
                [
                  122.36572265625,
                  28.323724553546015
                ],
                [
                  120.36621093749999,
                  28.323724553546015
                ],
                [
                  120.36621093749999,
                  26.725986812271756
                ]
              ]
            ]
          }

    }'
    ```
  </Tab>

  <Tab value="Python">
    ```python
    result = await gfw_client.events.get_all_events(
        datasets=["public-global-fishing-events:latest"],
        start_date="2017-01-01",
        end_date="2017-01-31",
        flags=["CHN"],
        geometry={
            "type": "Polygon",
            "coordinates": [
                [
                    [120.36621093749999, 26.725986812271756],
                    [122.36572265625, 26.725986812271756],
                    [122.36572265625, 28.323724553546015],
                    [120.36621093749999, 28.323724553546015],
                    [120.36621093749999, 26.725986812271756],
                ]
            ],
        },
    )
    ```
  </Tab>

  <Tab value="JavaScript">
    ```js
    // Make sure to replace [TOKEN] with your API Access Token.
    const res = await fetch('https://gateway.api.globalfishingwatch.org/v3/events?offset=0&limit=1', {
      method: 'POST',
      headers: {
        Authorization: 'Bearer [TOKEN]',
        'Content-Type': 'application/json',
      },
      body: JSON.stringify({
        datasets: ['public-global-fishing-events:latest'],
        startDate: '2017-01-01',
        endDate: '2017-01-31',
        flags: ['CHN'],
        geometry: {
          type: 'Polygon',
          coordinates: [
            [
              [120.36621093749999, 26.725986812271756],
              [122.36572265625, 26.725986812271756],
              [122.36572265625, 28.323724553546015],
              [120.36621093749999, 28.323724553546015],
              [120.36621093749999, 26.725986812271756],
            ],
          ],
        },
      }),
    })
    const data = await res.json()
    ```
  </Tab>
</Tabs>

**Response**

```json
{
  "metadata": {
    "datasets": ["public-global-fishing-events:v3.0"],
    "dateRange": {
      "from": "2017-01-01",
      "to": "2017-01-31"
    },
    "encounterTypes": [],
    "flags": ["CHN"],
    "geometry": {
      "type": "FeatureCollection",
      "features": [
        {
          "type": "Feature",
          "properties": {},
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [120.36621093749999, 26.725986812271756],
                [122.36572265625, 26.725986812271756],
                [122.36572265625, 28.323724553546015],
                [120.36621093749999, 28.323724553546015],
                [120.36621093749999, 26.725986812271756]
              ]
            ]
          }
        }
      ]
    }
  },
  "limit": 1,
  "offset": 0,
  "nextOffset": 1,
  "total": 2480,
  "entries": [
    {
      "start": "2016-12-30T07:28:06.000Z",
      "end": "2017-01-02T03:49:40.000Z",
      "id": "8326eb5fb66215de739f0c889a9b6a8e",
      "type": "fishing",
      "position": {
        "lat": 27.0865,
        "lon": 121.2232
      },
      "regions": {
        "mpa": [],
        "eez": ["8486"],
        "rfmo": ["ACAP", "WCPFC", "APFIC", "IWC"],
        "fao": ["61"],
        "majorFao": ["61"],
        "eez12Nm": ["8486"],
        "highSeas": [],
        "mpaNoTakePartial": [],
        "mpaNoTake": []
      },
      "boundingBox": [121.1017333333, 26.9795383333, 121.3309066667, 27.1756633333],
      "distances": {
        "startDistanceFromShoreKm": 38,
        "endDistanceFromShoreKm": 37,
        "startDistanceFromPortKm": 26.906598000000002,
        "endDistanceFromPortKm": 36.957859
      },
      "vessel": {
        "id": "3cedf7bd9-9800-1fc2-11d7-7985205d926e",
        "name": "ZHELINGYU52036",
        "ssvid": "412416212"
      },
      "fishing": {
        "totalDistanceKm": 235.36357126254234,
        "averageSpeedKnots": 2.0328767029525117,
        "averageDurationHours": 0.3135754332313966,
        "potentialRisk": false
      }
    }
  ]
}
```