Invoice Content
constructor(title: String, description: String, payload: String, providerToken: String? = null, currency: Currency, prices: List<LabeledPrice>, maxTipAmount: Int? = null, suggestedTipAmounts: List<Int>? = null, providerData: String? = null, photoUrl: String? = null, photoSize: Int? = null, photoWidth: Int? = null, photoHeight: Int? = null, needName: Boolean? = null, needPhoneNumber: Boolean? = null, needEmail: Boolean? = null, needShippingAddress: Boolean? = null, sendPhoneNumberToProvider: Boolean? = null, sendEmailToProvider: Boolean? = null, isFlexible: Boolean? = null)