An invoice slug taken from an invoice deep link or from the
premium_invoice_slug app config parameter »
inputInvoiceSlug#c326caef slug:string = InputInvoice;
|slug||string||The invoice slug|
Telegram clients must handle special tg:// and t.me deep links encountered in messages, link entities and in other apps by registering OS handlers.
The MTProto API has multiple configuration parameters that can be fetched with the appropriate methods.