$id, $identifier¶
The current object is a value set. $id will access to the entity Opal identifier within this value set.
See also $, $val, $value, $join, $var, $variable.
Syntax¶
$id()
// alternate syntax
$identifier()
Examples¶
Correct a particular value of an entity given its identifier. Other entities will return the recorded value for variable DO_YOU_SMOKE.
$id().map({'778834' : 'NO'}, $('DO_YOU_SMOKE'))