Lock Unspent

lockunspent unlock ([{"txid":"txid","vout":n},...])

It used to updates list of temporarily unspendable outputs. If no transactions are specified when unlocking then all current locked transactions are unlocked.

lockunspent false
"[{\"txid\":\"9fc384b55230ca1899dd1acf081033ebf57ae0335abf692c4f8a6336befc2f6\",\"vout\":1}]"


true