fetchPortfolioById
abstract fun fetchPortfolioById(portfolioId: String, referenceCurrency: IsoCurrencyEnumDto?): PortfolioDto
Fetches a portfolio by its ID.
Return
The PortfolioDto object representing the fetched portfolio.
Parameters
portfolioId
The ID of the portfolio to fetch. Must be a non-null string.
referenceCurrency
The reference currency for currency conversion. Can be null.