curl --request PUT \
  --url https://api-{region}.sesametime.com/schedule/v1/agreements/{agreementId} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "<string>",
  "code": "<string>",
  "color": "<string>",
  "annualHours": 123
}
'

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}