Create Campaign Customer

curl -X POST https://api.{cluster}.{platform}.voiger.io/v1/admin/campaigns/{id}/customers \
  -H "Cookie: sid=$VOIGER_SESSION" \
  -H "x-workspace-code: your-workspace-code" \
  -H "x-csrf-token: $CSRF_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
       "customer": {
         "first_name": "Ahmad",
         "last_name": "Salman",
         "phone": "+94000000000",
         "email": "contact1@mail"
       }
     }'

const res = await fetch("https://api.{cluster}.{platform}.voiger.io/v1/admin/campaigns/{id}/customers", {
  method: "POST",
  credentials: "include",
  headers: { "x-workspace-code": "your-workspace-code" },
  headers: { "Content-Type": "application/json", "x-csrf-token": csrf },
  body: JSON.stringify({
    "customer": {
      "first_name": "Ahmad",
      "last_name": "Salman",
      "phone": "+94000000000",
      "email": "contact1@mail"
    }
  }),
})

const data = await res.json()