curl --request PATCH \
  --url https://api.gcore.com/cloud/v1/schedule/{project_id}/{region_id}/{schedule_id} \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "day": "5",
  "day_of_week": "mon,fri",
  "days": 0,
  "hour": "0",
  "hours": 2,
  "max_quantity": 2,
  "minute": "30",
  "minutes": 1,
  "month": "1",
  "resource_name_template": "Snapshot of volume {volume_id} created by policy {lifecycle_policy_id}",
  "retention_time": {
    "days": 0,
    "hours": 2,
    "minutes": 1,
    "weeks": 0
  },
  "timezone": "UTC",
  "type": "cron",
  "week": "1",
  "weeks": 0
}
'

import requests

url = "https://api.gcore.com/cloud/v1/schedule/{project_id}/{region_id}/{schedule_id}"

payload = {
    "day": "5",
    "day_of_week": "mon,fri",
    "days": 0,
    "hour": "0",
    "hours": 2,
    "max_quantity": 2,
    "minute": "30",
    "minutes": 1,
    "month": "1",
    "resource_name_template": "Snapshot of volume {volume_id} created by policy {lifecycle_policy_id}",
    "retention_time": {
        "days": 0,
        "hours": 2,
        "minutes": 1,
        "weeks": 0
    },
    "timezone": "UTC",
    "type": "cron",
    "week": "1",
    "weeks": 0
}
headers = {
    "Authorization": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PATCH',
  headers: {Authorization: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    day: '5',
    day_of_week: 'mon,fri',
    days: 0,
    hour: '0',
    hours: 2,
    max_quantity: 2,
    minute: '30',
    minutes: 1,
    month: '1',
    resource_name_template: 'Snapshot of volume {volume_id} created by policy {lifecycle_policy_id}',
    retention_time: {days: 0, hours: 2, minutes: 1, weeks: 0},
    timezone: 'UTC',
    type: 'cron',
    week: '1',
    weeks: 0
  })
};

fetch('https://api.gcore.com/cloud/v1/schedule/{project_id}/{region_id}/{schedule_id}', 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.gcore.com/cloud/v1/schedule/{project_id}/{region_id}/{schedule_id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'day' => '5',
    'day_of_week' => 'mon,fri',
    'days' => 0,
    'hour' => '0',
    'hours' => 2,
    'max_quantity' => 2,
    'minute' => '30',
    'minutes' => 1,
    'month' => '1',
    'resource_name_template' => 'Snapshot of volume {volume_id} created by policy {lifecycle_policy_id}',
    'retention_time' => [
        'days' => 0,
        'hours' => 2,
        'minutes' => 1,
        'weeks' => 0
    ],
    'timezone' => 'UTC',
    'type' => 'cron',
    'week' => '1',
    'weeks' => 0
  ]),
  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.gcore.com/cloud/v1/schedule/{project_id}/{region_id}/{schedule_id}"

	payload := strings.NewReader("{\n  \"day\": \"5\",\n  \"day_of_week\": \"mon,fri\",\n  \"days\": 0,\n  \"hour\": \"0\",\n  \"hours\": 2,\n  \"max_quantity\": 2,\n  \"minute\": \"30\",\n  \"minutes\": 1,\n  \"month\": \"1\",\n  \"resource_name_template\": \"Snapshot of volume {volume_id} created by policy {lifecycle_policy_id}\",\n  \"retention_time\": {\n    \"days\": 0,\n    \"hours\": 2,\n    \"minutes\": 1,\n    \"weeks\": 0\n  },\n  \"timezone\": \"UTC\",\n  \"type\": \"cron\",\n  \"week\": \"1\",\n  \"weeks\": 0\n}")

	req, _ := http.NewRequest("PATCH", 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.patch("https://api.gcore.com/cloud/v1/schedule/{project_id}/{region_id}/{schedule_id}")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"day\": \"5\",\n  \"day_of_week\": \"mon,fri\",\n  \"days\": 0,\n  \"hour\": \"0\",\n  \"hours\": 2,\n  \"max_quantity\": 2,\n  \"minute\": \"30\",\n  \"minutes\": 1,\n  \"month\": \"1\",\n  \"resource_name_template\": \"Snapshot of volume {volume_id} created by policy {lifecycle_policy_id}\",\n  \"retention_time\": {\n    \"days\": 0,\n    \"hours\": 2,\n    \"minutes\": 1,\n    \"weeks\": 0\n  },\n  \"timezone\": \"UTC\",\n  \"type\": \"cron\",\n  \"week\": \"1\",\n  \"weeks\": 0\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.gcore.com/cloud/v1/schedule/{project_id}/{region_id}/{schedule_id}")

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

request = Net::HTTP::Patch.new(url)
request["Authorization"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"day\": \"5\",\n  \"day_of_week\": \"mon,fri\",\n  \"days\": 0,\n  \"hour\": \"0\",\n  \"hours\": 2,\n  \"max_quantity\": 2,\n  \"minute\": \"30\",\n  \"minutes\": 1,\n  \"month\": \"1\",\n  \"resource_name_template\": \"Snapshot of volume {volume_id} created by policy {lifecycle_policy_id}\",\n  \"retention_time\": {\n    \"days\": 0,\n    \"hours\": 2,\n    \"minutes\": 1,\n    \"weeks\": 0\n  },\n  \"timezone\": \"UTC\",\n  \"type\": \"cron\",\n  \"week\": \"1\",\n  \"weeks\": 0\n}"

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

{
  "id": "1488e2ce-f906-47fb-ba32-c25a3f63df4f",
  "max_quantity": 2,
  "owner": "lifecycle_policy",
  "owner_id": 1,
  "retention_time": {
    "days": 0,
    "hours": 2,
    "minutes": 1,
    "weeks": 0
  },
  "type": "cron",
  "user_id": 12,
  "day": "5",
  "day_of_week": "mon,fri",
  "hour": "0, 20",
  "minute": "30",
  "month": "1,6",
  "resource_name_template": "reserve snap of the volume {volume_id}",
  "timezone": "UTC",
  "week": "1"
}