# CurrencyInfo [Integration guide](https://docs.lumencharts.com/charting-library/reference/compatibility) · [Reference index](https://docs.lumencharts.com/charting-library/api/) Public contract reference. This declaration describes types and callback shapes; availability is constrained by the linked integration guide and the runtime capability. Legacy product-specific fields are not a promise of implementation. ## selectedCurrency {#selectedcurrency} ```ts selectedCurrency: PriceScaleSelectedCurrency; ``` Use the type signature above and the integration guide for the owning capability. ## currencies {#currencies} ```ts currencies: string[]; ``` Use the type signature above and the integration guide for the owning capability. ## Related types - [PriceScaleSelectedCurrency](https://docs.lumencharts.com/charting-library/api/PriceScaleSelectedCurrency) --- Documentation page: https://docs.lumencharts.com/charting-library/api/CurrencyInfo