Function scheme_pay

pub fn scheme_pay(
    asset_id: &str,
    trace_id: &str,
    recipient_id: &str,
    memo: &str,
    amount: &str,
) -> String

scheme of a pay

assetId required recipientId required, receiver’s user id amount require, transfer amount traceId optional, UUID, prevent duplicate payment memo optional, transaction memo

https://developers.mixin.one/docs/schema#invoke-payment-page