If you are using Amazon Lex V2, refer to the Amazon Lex V2 guide instead.
If you are using Amazon Lex V1, we recommend upgrading your bots to Amazon Lex V2. We are no longer adding new features to V1 and strongly recommend using V2 for all new bots.
Sharing Information Between Intents
Amazon Lex supports sharing information between intents. To share between intents, use session attributes.
For example, a user of the ShoeOrdering bot starts by
ordering shoes. The bot engages in a conversation with the user,
gathering slot data, such as shoe size, color, and brand. When the
user places an order, the Lambda function that fulfills the order
sets the orderNumber session attribute, which contains
the order number. To get the status of the order, the user uses the
GetOrderStatus intent. The bot can ask the user for
slot data, such as order number and order date. When the bot has the
required information, it returns the status of the order.
If you think that your users might switch intents during the same
session, you can design your bot to return the status of the latest
order. Instead of asking the user for order information again, you
use the orderNumber session attribute to share
information across intents and fulfill the
GetOrderStatus intent. The bot does this by
returning the status of the last order that the user placed.
For an example of cross-intent information sharing, see Book Trip.
