Updates the “authorized” flag of an existing trust line. This must be called by the issuer of the asset.
Allow Trust errors.
The type of asset. Either
The Stellar address of the asset.
The code for the asset.
Flag indicating whether the trustline is authorized. 0 if the account is not authorized to transact with the asset in any way. 1 if the account is authorized to transact with the asset. 2 if the account is authorized to maintain orders, but not to perform other transactions.
The issuing account, or source account in this instance.
The trusting account, or the account being authorized or unauthorized.