curl --request POST \
  --url https://api.example.com/v1/integrations/opportunity-users \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "opportunityId": "<string>",
  "userId": "<string>",
  "name": "<string>",
  "amountPercentage": 123
}
'

{
  "id": "<string>",
  "opportunityId": "<string>",
  "userId": "<string>",
  "organizationId": "<string>",
  "createdAt": "<string>",
  "updatedAt": "<string>",
  "integrationConnectionId": "<string>",
  "name": "<string>",
  "amountPercentage": 123
}