(Added by the [NegativeUNL amendment][].)
A UNLModify pseudo-transaction marks a change to the Negative UNL, indicating that a trusted validator has gone offline or come back online.
Note: You cannot send a pseudo-transaction, but you may find one when processing ledgers.
TransactionType
String
UInt16
The value 0x0066, mapped to the string UNLModify, indicates that this object is an UNLModify pseudo-transaction.
LedgerSequence
Number
UInt32
The [ledger index][] where this pseudo-transaction appears. This distinguishes the pseudo-transaction from other occurrences of the same change.
UNLModifyDisabling
Number
UInt8
If 1, this change represents adding a validator to the Negative UNL. If 0, this change represents removing a validator from the Negative UNL. (No other values are allowed.)
UNLModifyValidator
String
Blob
The validator to add or remove, as identified by its master public key.