(B)0[mcontext-variable-clause =
qqwqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqwq>
tq> [4mOLD[m CONTEXT old-context-var qu
mq> [4mNEW[m CONTEXT new-context-var qj
An optional clause that can contain aliases for old and new
states of the context variable of the triggering statement.
Additional Information:
explode
extract