INSERT and UPDATE values can be formatted in-line at runtime. For example:
Suffix = 'NOGG',
cql_transaction(Schema, UserId,
{[],
insert(se_lt_x, [a-'A', b-'B', c-100, d-format('EGG_~w', [Suffix])])}),
will insert’EGG_NOGG’into attribute’d’.