[discrete] [[esql-in-operator]] === `IN` //tag::body[] The `IN` operator allows testing whether a field or expression equals an element in a list of literals, fields or expressions: [source.merge.styled,esql] ---- include::{esql-specs}/row.csv-spec[tag=in-with-expressions] ---- [%header.monospaced.styled,format=dsv,separator=|] |=== include::{esql-specs}/row.csv-spec[tag=in-with-expressions-result] |=== //end::body[]