curl --request POST \
  --url https://engine.example.com/api/v1/dashboards/{dashboard_id}/refresh \
  --header 'Content-Type: application/json' \
  --data '
{
  "submission_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "expected_revision": 1,
  "parameters": {}
}
'

import requests

url = "https://engine.example.com/api/v1/dashboards/{dashboard_id}/refresh"

payload = {
    "submission_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "expected_revision": 1,
    "parameters": {}
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    submission_id: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    expected_revision: 1,
    parameters: {}
  })
};

fetch('https://engine.example.com/api/v1/dashboards/{dashboard_id}/refresh', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://engine.example.com/api/v1/dashboards/{dashboard_id}/refresh",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'submission_id' => '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    'expected_revision' => 1,
    'parameters' => [
        
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://engine.example.com/api/v1/dashboards/{dashboard_id}/refresh"

	payload := strings.NewReader("{\n  \"submission_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"expected_revision\": 1,\n  \"parameters\": {}\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://engine.example.com/api/v1/dashboards/{dashboard_id}/refresh")
  .header("Content-Type", "application/json")
  .body("{\n  \"submission_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"expected_revision\": 1,\n  \"parameters\": {}\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://engine.example.com/api/v1/dashboards/{dashboard_id}/refresh")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"submission_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"expected_revision\": 1,\n  \"parameters\": {}\n}"

response = http.request(request)
puts response.read_body

{
  "snapshot": {
    "created_at": {
      "unix_millis": 123
    },
    "dashboard_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "dashboard_revision": 1,
    "datasets": [
      {
        "bytes": 1,
        "columns": [
          {
            "data_type": "<string>",
            "name": "<string>",
            "nullable": true
          }
        ],
        "dataset_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "error": "<string>",
        "rows": 1,
        "status": "<string>",
        "task_run_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "truncated": true
      }
    ],
    "default_parameters": true,
    "definition": {
      "datasets": [
        {
          "dataset_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
          "name": "<string>",
          "settings": {
            "ansi_enabled": true,
            "case_sensitive": true,
            "current_catalog": "<string>",
            "namespace": [
              "<string>"
            ],
            "time_zone": "<string>"
          },
          "source_query_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
          "sql": "<string>"
        }
      ],
      "description": "<string>",
      "name": "<string>",
      "options": {
        "compute_requirements": {
          "cpu_millicores": 2,
          "memory_bytes": 2,
          "tuning": {
            "batch_rows": 2,
            "file_read_concurrency": 2,
            "input_prefetch_batches": 1,
            "output_buffer_batches": 2,
            "query_memory_bytes": 2,
            "spill_bytes": 1,
            "threads": 2,
            "write_batch_rows": 2,
            "write_parallelism": 2,
            "native_parquet_scan": true
          }
        },
        "execution_target": "DataFusion",
        "execution_timeout": {
          "nanos": 499999999,
          "secs": 1
        },
        "max_attempts": 2,
        "missed_run_policy": "RunOnce",
        "overlap_policy": "Wait",
        "parallelism": 2,
        "queue_timeout": {
          "nanos": 499999999,
          "secs": 1
        },
        "worker_scope": "Task",
        "deployment_profile": "<string>",
        "profile": "<string>",
        "provisioner": "<string>",
        "start_paused": true,
        "xray": true
      },
      "parameters": {},
      "retention": {
        "max_age_days": 1,
        "max_snapshots": 1
      },
      "schedule": "Manual",
      "widgets": [
        {
          "chart": {
            "colors": [
              "<string>"
            ],
            "decimals": 1,
            "legend": true,
            "number_format": "<string>",
            "series_column": "<string>",
            "sort_column": "<string>",
            "sort_direction": "<string>",
            "stacked": true,
            "table_columns": [
              "<string>"
            ],
            "thresholds": [
              "<unknown>"
            ],
            "x_column": "<string>",
            "x_label": "<string>",
            "y_columns": [
              "<string>"
            ],
            "y_label": "<string>"
          },
          "dataset_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
          "kind": "Table",
          "layout": {
            "h": 1,
            "w": 1,
            "x": 1,
            "y": 1
          },
          "markdown": "<string>",
          "title": "<string>",
          "widget_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
        }
      ]
    },
    "expired": true,
    "finished_at": {
      "unix_millis": 123
    },
    "parameters": {},
    "refresh_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "status": "Pending",
    "widget_errors": {},
    "workload_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "workload_run_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  }
}

{
  "error": {
    "code": "invalid_request",
    "message": "Check the request fields"
  }
}