curl --request POST \
  --url https://api.gextra.net/fr/etablissement/{id}/commercial/create \
  --header 'Content-Type: application/json' \
  --data '
{
  "type": "commercial.type.email",
  "sejourType": "commercial.sejourType.permanent",
  "motif": "commercial.motif.dossierrefuse",
  "resultat": "commercial.resultat.refuse",
  "dateFirstContact": "2023-12-25",
  "delais": "<string>",
  "budget": "<string>",
  "securite": "<string>",
  "comment": "<string>",
  "civiliteClient": "contact.civility.mr",
  "firstNameClient": "<string>",
  "lastNameClient": "<string>",
  "lastNameMaritalClient": "<string>",
  "phoneClient": "<string>",
  "cellphoneClient": "<string>",
  "emailClient": "jsmith@example.com",
  "adresseClient": "<string>",
  "codePostalClient": "<string>",
  "villeClient": "<string>",
  "ageClient": 123,
  "birthdateClient": "2023-12-25",
  "phoneAdresseur": "<string>",
  "emailAdresseur": "jsmith@example.com",
  "gclid": "<string>",
  "customId": "<string>",
  "capretraiteid": "<string>",
  "commercialrelations": [
    {
      "civilite": "contact.civility.mr",
      "firstName": "<string>",
      "lastName": "<string>",
      "lastNameMarital": "<string>",
      "phone": "<string>",
      "cellphone": "<string>",
      "email": "jsmith@example.com",
      "adresse": "<string>",
      "codePostal": "<string>",
      "ville": "<string>",
      "parent": "commercial.relation.father"
    }
  ],
  "commercialactions": [
    {
      "type": "commercialaction.type.informations",
      "date": "2023-12-25",
      "comment": "<string>"
    }
  ]
}
'

"ok"