$rollback

Drops all changes made on the current account properties since the previous call to $begin, $commit or $rollback.
Syntax
    $rollback{t_i_l}
DocumentationDrops all changes made on the current account properties since the previous call to $begin, $commit or $rollback.

    Parameters:
      t_i_l, the transaction isolation level can have one of the values 'NONE', 'DIRTY_READ', 'READ' or 'UPDATE'.
      This value will be assigned to the next transaction that will be created immediately after the current is rolled back.
      This parameter is optional and defaults to the t_i_l value of the current transaction.
Examples
    $rollback{}
GroupSpecial
Minimum required transaction-mode:NONE
Required scripting permission of the developerPERMISSION_FL_BASIC
Minimum parameters0
Maximum parameters 1