curl --request POST \
  --url https://api.extole.io/v2/campaigns/{campaignId}{version}/controllers/{controllerId}/actions/expressions \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "component_ids": [
    "component_id"
  ],
  "component_references": [
    {
      "component_id": "component_id",
      "socket_names": [
        "socket_name"
      ]
    }
  ],
  "data": {
    "data_key": {}
  },
  "enabled": true,
  "expression": {},
  "quality": "ALWAYS"
}
'

import requests

url = "https://api.extole.io/v2/campaigns/{campaignId}{version}/controllers/{controllerId}/actions/expressions"

payload = {
    "component_ids": ["component_id"],
    "component_references": [
        {
            "component_id": "component_id",
            "socket_names": ["socket_name"]
        }
    ],
    "data": { "data_key": {} },
    "enabled": True,
    "expression": {},
    "quality": "ALWAYS"
}
headers = {
    "Authorization": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    component_ids: ['component_id'],
    component_references: [{component_id: 'component_id', socket_names: ['socket_name']}],
    data: {data_key: {}},
    enabled: true,
    expression: {},
    quality: 'ALWAYS'
  })
};

fetch('https://api.extole.io/v2/campaigns/{campaignId}{version}/controllers/{controllerId}/actions/expressions', 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://api.extole.io/v2/campaigns/{campaignId}{version}/controllers/{controllerId}/actions/expressions",
  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([
    'component_ids' => [
        'component_id'
    ],
    'component_references' => [
        [
                'component_id' => 'component_id',
                'socket_names' => [
                                'socket_name'
                ]
        ]
    ],
    'data' => [
        'data_key' => [
                
        ]
    ],
    'enabled' => true,
    'expression' => [
        
    ],
    'quality' => 'ALWAYS'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>",
    "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://api.extole.io/v2/campaigns/{campaignId}{version}/controllers/{controllerId}/actions/expressions"

	payload := strings.NewReader("{\n  \"component_ids\": [\n    \"component_id\"\n  ],\n  \"component_references\": [\n    {\n      \"component_id\": \"component_id\",\n      \"socket_names\": [\n        \"socket_name\"\n      ]\n    }\n  ],\n  \"data\": {\n    \"data_key\": {}\n  },\n  \"enabled\": true,\n  \"expression\": {},\n  \"quality\": \"ALWAYS\"\n}")

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

	req.Header.Add("Authorization", "<api-key>")
	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://api.extole.io/v2/campaigns/{campaignId}{version}/controllers/{controllerId}/actions/expressions")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"component_ids\": [\n    \"component_id\"\n  ],\n  \"component_references\": [\n    {\n      \"component_id\": \"component_id\",\n      \"socket_names\": [\n        \"socket_name\"\n      ]\n    }\n  ],\n  \"data\": {\n    \"data_key\": {}\n  },\n  \"enabled\": true,\n  \"expression\": {},\n  \"quality\": \"ALWAYS\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.extole.io/v2/campaigns/{campaignId}{version}/controllers/{controllerId}/actions/expressions")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"component_ids\": [\n    \"component_id\"\n  ],\n  \"component_references\": [\n    {\n      \"component_id\": \"component_id\",\n      \"socket_names\": [\n        \"socket_name\"\n      ]\n    }\n  ],\n  \"data\": {\n    \"data_key\": {}\n  },\n  \"enabled\": true,\n  \"expression\": {},\n  \"quality\": \"ALWAYS\"\n}"

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