PATCH /v2/portfolios/:id

Update a portfolio's mutable attributes and its `accounts` /
`depositories` relationships.

Path params:
  id (required) — Portfolio identifier.

Request:
{
  "data": {
    "type": "portfolio",
    "id":   "string (must match path id)",
    "attributes": {
      "name": "string (optional)"
    },
    "relationships": {
      "accounts":     { "data": [ { "type": "account", "id": "string" } ] },
      "depositories": { "data": [ { "type": "depository", "id": "string" } ] }
    }
  }
}

Send only the fields you want to change.

Response (204 No Content):
  Empty body.