<!-- don't edit here, its from https://@github.com/arangodb/arangodb-java-driver.git / docs/Drivers/ -->
# Transactions

This function implements the
[HTTP API for transactions](../../../..//HTTP/Transaction/index.html).

## ArangoDatabase.transaction

```
ArangoDatabase.transaction(String action, Class<T> type, TransactionOptions options) : T
```

Performs a server-side transaction and returns its return value.

**Arguments**

- **action**: `String`

  A String evaluating to a JavaScript function to be executed on the server.

- **type**: `Class`

  The type of the result (POJO class, `VPackSlice` or `String` for Json)

- **options**: `TransactionOptions`

  Additional transaction options

**Examples**

```Java
ArangoDB arango = new ArangoDB.Builder().build();
ArangoDatabase db = arango.db("myDB");
String action = "function (params) {"
                + "const db = require('@arangodb').db;"
                + "return db._query('FOR i IN test RETURN i._key').toArray();"
              + "}";
String[] keys = arango.db().transaction(action, String[].class, new TransactionOptions());
```