Document LET (#1207)

Author: JPryce-Aklundh

modules/ROOT/content-nav.adoc

@@ -18,6 +18,7 @@
 ** xref:clauses/filter.adoc[]
 ** xref:clauses/finish.adoc[]
 ** xref:clauses/foreach.adoc[]
+** xref:clauses/let.adoc[]
 ** xref:clauses/limit.adoc[]
 ** xref:clauses/load-csv.adoc[]
 ** xref:clauses/match.adoc[]

modules/ROOT/images/let_clause.svg

@@ -178,6 +178,11 @@ For example, GQL’s graph reference values `CURRENT_GRAPH` and `CURRENT_PROPERT
 | xref:clauses/filter.adoc[`FILTER`]
 |
 
+| GQ09
+| `LET` statement
+| xref:clauses/let.adoc[`LET`]
+|
+
 | GQ13
 | `ORDER BY` and page statement: `LIMIT`
 | xref:clauses/limit.adoc[`LIMIT`], xref:clauses/order-by.adoc[`ORDER BY`]

modules/ROOT/pages/appendix/gql-conformance/supported-optional.adoc

@@ -17,6 +17,11 @@ This set is refined and augmented by subsequent parts of the query.
 |===
 | Clause | Description
 
+
+m| xref::clauses/filter.adoc[FILTER]
+| Adds filters to queries.
+label:new[Introduced in Neo4j 2025.04]
+
 m| xref::clauses/match.adoc[MATCH]
 | Specify the patterns to search for in the database.
 
@@ -35,20 +40,21 @@ The returned expressions may all be aliased using `AS`.
 |===
 | Clause | Description
 
+m| xref::clauses/finish.adoc[FINISH]
+| Defines a query to have no result.
+
+m| xref::clauses/let.adoc[LET]
+| Binds values to variables.
+label:new[Introduced in Neo4j 2025.04]
+
 m| xref::clauses/return.adoc[RETURN ... [AS]]
 | Defines what to include in the query result set.
 
-m| xref::clauses/with.adoc[WITH ... [AS]]
-| Allows query parts to be chained together, piping the results from one to be used as starting points or criteria in the next.
-
 m| xref::clauses/unwind.adoc[UNWIND ... [AS]]
 | Expands a list into a sequence of rows.
 
-m| xref::clauses/filter.adoc[FILTER]
-| Adds filters to queries.
-
-m| xref::clauses/finish.adoc[FINISH]
-| Defines a query to have no result.
+m| xref::clauses/with.adoc[WITH ... [AS]]
+| Allows query parts to be chained together, piping the results from one to be used as starting points or criteria in the next.
 
 |===