import requests

url = "https://{FUSION HOST}/api/jobs/{resource}/schedule"

payload = {}
headers = {"Content-Type": "*/*"}

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

print(response.text)

{
  "resource": "datasource:ratings-db",
  "triggers": [
    {
      "type": "cron",
      "enabled": true,
      "expression": "0 15 10 ? * MON-FRI"
    }
  ]
}