set_account_trustline: Granting a Trustline
In hmalmedal/ripplerestr: Ripple REST Client for R

A trustline can also updated and simply set with a currency, amount, counterparty combination by submitting to this endpoint.

1 2	set_account_trustline(address, secret, amount, allows_rippling = NA, limit, currency, counterparty)

`address`	The Ripple address of the desired account
`secret`	The secret key for your Ripple account.
`amount`	Object of class `"Amount"`. The limit, currency and counterparty for the trustline.
`allows_rippling`	`TRUE` or `FALSE`. Allow rippling or not for the trustline.
`limit`	A number indicating the maximum you are willing to trust. Ignored if `amount` is provided.
`currency`	Three letter currency denomination. Ignored if `amount` is provided.
`counterparty`	Ripple address of the counterparty trusted. Ignored if `amount` is provided.