PutIntent - Amazon Lex V1
Request SyntaxURI Request ParametersRequest BodyResponse SyntaxResponse ElementsErrorsSee Also

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.

PutIntent

Creates an intent or replaces an existing intent.

To define the interaction between the user and your bot, you use one or more intents. For a pizza ordering bot, for example, you would create an OrderPizza intent.

To create an intent or replace an existing intent, you must provide the following:

  • Intent name. For example, OrderPizza.

  • Sample utterances. For example, "Can I order a pizza, please." and "I want to order a pizza."

  • Information to be gathered. You specify slot types for the information that your bot will request from the user. You can specify standard slot types, such as a date or a time, or custom slot types such as the size and crust of a pizza.

  • How the intent will be fulfilled. You can provide a Lambda function or configure the intent to return the intent information to the client application. If you use a Lambda function, when all of the intent information is available, Amazon Lex invokes your Lambda function. If you configure your intent to return the intent information to the client application.

You can specify other optional information in the request, such as:

  • A confirmation prompt to ask the user to confirm an intent. For example, "Shall I order your pizza?"

  • A conclusion statement to send to the user after the intent has been fulfilled. For example, "I placed your pizza order."

  • A follow-up prompt that asks the user for additional activity. For example, asking "Do you want to order a drink with your pizza?"

If you specify an existing intent name to update the intent, Amazon Lex replaces the values in the $LATEST version of the intent with the values in the request. Amazon Lex removes fields that you don't provide in the request. If you don't specify the required fields, Amazon Lex throws an exception. When you update the $LATEST version of an intent, the status field of any bot that uses the $LATEST version of the intent is set to NOT_BUILT.

For more information, see Amazon Lex: How It Works.

This operation requires permissions for the lex:PutIntent action.

Request Syntax

PUT /intents/name/versions/$LATEST HTTP/1.1
Content-type: application/json

{
   "checksum": "string",
   "conclusionStatement": { 
      "messages": [ 
         { 
            "content": "string",
            "contentType": "string",
            "groupNumber": number
         }
      ],
      "responseCard": "string"
   },
   "confirmationPrompt": { 
      "maxAttempts": number,
      "messages": [ 
         { 
            "content": "string",
            "contentType": "string",
            "groupNumber": number
         }
      ],
      "responseCard": "string"
   },
   "createVersion": boolean,
   "description": "string",
   "dialogCodeHook": { 
      "messageVersion": "string",
      "uri": "string"
   },
   "followUpPrompt": { 
      "prompt": { 
         "maxAttempts": number,
         "messages": [ 
            { 
               "content": "string",
               "contentType": "string",
               "groupNumber": number
            }
         ],
         "responseCard": "string"
      },
      "rejectionStatement": { 
         "messages": [ 
            { 
               "content": "string",
               "contentType": "string",
               "groupNumber": number
            }
         ],
         "responseCard": "string"
      }
   },
   "fulfillmentActivity": { 
      "codeHook": { 
         "messageVersion": "string",
         "uri": "string"
      },
      "type": "string"
   },
   "inputContexts": [ 
      { 
         "name": "string"
      }
   ],
   "kendraConfiguration": { 
      "kendraIndex": "string",
      "queryFilterString": "string",
      "role": "string"
   },
   "outputContexts": [ 
      { 
         "name": "string",
         "timeToLiveInSeconds": number,
         "turnsToLive": number
      }
   ],
   "parentIntentSignature": "string",
   "rejectionStatement": { 
      "messages": [ 
         { 
            "content": "string",
            "contentType": "string",
            "groupNumber": number
         }
      ],
      "responseCard": "string"
   },
   "sampleUtterances": [ "string" ],
   "slots": [ 
      { 
         "defaultValueSpec": { 
            "defaultValueList": [ 
               { 
                  "defaultValue": "string"
               }
            ]
         },
         "description": "string",
         "name": "string",
         "obfuscationSetting": "string",
         "priority": number,
         "responseCard": "string",
         "sampleUtterances": [ "string" ],
         "slotConstraint": "string",
         "slotType": "string",
         "slotTypeVersion": "string",
         "valueElicitationPrompt": { 
            "maxAttempts": number,
            "messages": [ 
               { 
                  "content": "string",
                  "contentType": "string",
                  "groupNumber": number
               }
            ],
            "responseCard": "string"
         }
      }
   ]
}

URI Request Parameters

The request uses the following URI parameters.

name

The name of the intent. The name is not case sensitive.

The name can't match a built-in intent name, or a built-in intent name with "AMAZON." removed. For example, because there is a built-in intent called AMAZON.HelpIntent, you can't create a custom intent called HelpIntent.

For a list of built-in intents, see Standard Built-in Intents in the Alexa Skills Kit.

Length Constraints: Minimum length of 1. Maximum length of 100.

Pattern: ^([A-Za-z]_?)+$

Required: Yes

Request Body

The request accepts the following data in JSON format.

checksum

Identifies a specific revision of the $LATEST version.

When you create a new intent, leave the checksum field blank. If you specify a checksum you get a BadRequestException exception.

When you want to update a intent, set the checksum field to the checksum of the most recent revision of the $LATEST version. If you don't specify the checksum field, or if the checksum does not match the $LATEST version, you get a PreconditionFailedException exception.

Type: String

Required: No

conclusionStatement

The statement that you want Amazon Lex to convey to the user after the intent is successfully fulfilled by the Lambda function.

This element is relevant only if you provide a Lambda function in the fulfillmentActivity. If you return the intent to the client application, you can't specify this element.

Note

The followUpPrompt and conclusionStatement are mutually exclusive. You can specify only one.

Type: Statement object

Required: No

confirmationPrompt

Prompts the user to confirm the intent. This question should have a yes or no answer.

Amazon Lex uses this prompt to ensure that the user acknowledges that the intent is ready for fulfillment. For example, with the OrderPizza intent, you might want to confirm that the order is correct before placing it. For other intents, such as intents that simply respond to user questions, you might not need to ask the user for confirmation before providing the information.

Note

You you must provide both the rejectionStatement and the confirmationPrompt, or neither.

Type: Prompt object

Required: No

createVersion

When set to true a new numbered version of the intent is created. This is the same as calling the CreateIntentVersion operation. If you do not specify createVersion, the default is false.

Type: Boolean

Required: No

description

A description of the intent.

Type: String

Length Constraints: Minimum length of 0. Maximum length of 200.

Required: No

dialogCodeHook

Specifies a Lambda function to invoke for each user input. You can invoke this Lambda function to personalize user interaction.

For example, suppose your bot determines that the user is John. Your Lambda function might retrieve John's information from a backend database and prepopulate some of the values. For example, if you find that John is gluten intolerant, you might set the corresponding intent slot, GlutenIntolerant, to true. You might find John's phone number and set the corresponding session attribute.

Type: CodeHook object

Required: No

followUpPrompt

Amazon Lex uses this prompt to solicit additional activity after fulfilling an intent. For example, after the OrderPizza intent is fulfilled, you might prompt the user to order a drink.

The action that Amazon Lex takes depends on the user's response, as follows:

  • If the user says "Yes" it responds with the clarification prompt that is configured for the bot.

  • if the user says "Yes" and continues with an utterance that triggers an intent it starts a conversation for the intent.

  • If the user says "No" it responds with the rejection statement configured for the the follow-up prompt.

  • If it doesn't recognize the utterance it repeats the follow-up prompt again.

The followUpPrompt field and the conclusionStatement field are mutually exclusive. You can specify only one.

Type: FollowUpPrompt object

Required: No

fulfillmentActivity

Required. Describes how the intent is fulfilled. For example, after a user provides all of the information for a pizza order, fulfillmentActivity defines how the bot places an order with a local pizza store.

You might configure Amazon Lex to return all of the intent information to the client application, or direct it to invoke a Lambda function that can process the intent (for example, place an order with a pizzeria).

Type: FulfillmentActivity object

Required: No

inputContexts

An array of InputContext objects that lists the contexts that must be active for Amazon Lex to choose the intent in a conversation with the user.

Type: Array of InputContext objects

Array Members: Minimum number of 0 items. Maximum number of 5 items.

Required: No

kendraConfiguration

Configuration information required to use the AMAZON.KendraSearchIntent intent to connect to an Amazon Kendra index. For more information, see AMAZON.KendraSearchIntent.

Type: KendraConfiguration object

Required: No

outputContexts

An array of OutputContext objects that lists the contexts that the intent activates when the intent is fulfilled.

Type: Array of OutputContext objects

Array Members: Minimum number of 0 items. Maximum number of 10 items.

Required: No

parentIntentSignature

A unique identifier for the built-in intent to base this intent on. To find the signature for an intent, see Standard Built-in Intents in the Alexa Skills Kit.

Type: String

Required: No

rejectionStatement

When the user answers "no" to the question defined in confirmationPrompt, Amazon Lex responds with this statement to acknowledge that the intent was canceled.

Note

You must provide both the rejectionStatement and the confirmationPrompt, or neither.

Type: Statement object

Required: No

sampleUtterances

An array of utterances (strings) that a user might say to signal the intent. For example, "I want {PizzaSize} pizza", "Order {Quantity} {PizzaSize} pizzas".

In each utterance, a slot name is enclosed in curly braces.

Type: Array of strings

Array Members: Minimum number of 0 items. Maximum number of 1500 items.

Length Constraints: Minimum length of 1. Maximum length of 200.

Required: No

slots

An array of intent slots. At runtime, Amazon Lex elicits required slot values from the user using prompts defined in the slots. For more information, see Amazon Lex: How It Works.

Type: Array of Slot objects

Array Members: Minimum number of 0 items. Maximum number of 100 items.

Required: No

Response Syntax

HTTP/1.1 200
Content-type: application/json

{
   "checksum": "string",
   "conclusionStatement": { 
      "messages": [ 
         { 
            "content": "string",
            "contentType": "string",
            "groupNumber": number
         }
      ],
      "responseCard": "string"
   },
   "confirmationPrompt": { 
      "maxAttempts": number,
      "messages": [ 
         { 
            "content": "string",
            "contentType": "string",
            "groupNumber": number
         }
      ],
      "responseCard": "string"
   },
   "createdDate": number,
   "createVersion": boolean,
   "description": "string",
   "dialogCodeHook": { 
      "messageVersion": "string",
      "uri": "string"
   },
   "followUpPrompt": { 
      "prompt": { 
         "maxAttempts": number,
         "messages": [ 
            { 
               "content": "string",
               "contentType": "string",
               "groupNumber": number
            }
         ],
         "responseCard": "string"
      },
      "rejectionStatement": { 
         "messages": [ 
            { 
               "content": "string",
               "contentType": "string",
               "groupNumber": number
            }
         ],
         "responseCard": "string"
      }
   },
   "fulfillmentActivity": { 
      "codeHook": { 
         "messageVersion": "string",
         "uri": "string"
      },
      "type": "string"
   },
   "inputContexts": [ 
      { 
         "name": "string"
      }
   ],
   "kendraConfiguration": { 
      "kendraIndex": "string",
      "queryFilterString": "string",
      "role": "string"
   },
   "lastUpdatedDate": number,
   "name": "string",
   "outputContexts": [ 
      { 
         "name": "string",
         "timeToLiveInSeconds": number,
         "turnsToLive": number
      }
   ],
   "parentIntentSignature": "string",
   "rejectionStatement": { 
      "messages": [ 
         { 
            "content": "string",
            "contentType": "string",
            "groupNumber": number
         }
      ],
      "responseCard": "string"
   },
   "sampleUtterances": [ "string" ],
   "slots": [ 
      { 
         "defaultValueSpec": { 
            "defaultValueList": [ 
               { 
                  "defaultValue": "string"
               }
            ]
         },
         "description": "string",
         "name": "string",
         "obfuscationSetting": "string",
         "priority": number,
         "responseCard": "string",
         "sampleUtterances": [ "string" ],
         "slotConstraint": "string",
         "slotType": "string",
         "slotTypeVersion": "string",
         "valueElicitationPrompt": { 
            "maxAttempts": number,
            "messages": [ 
               { 
                  "content": "string",
                  "contentType": "string",
                  "groupNumber": number
               }
            ],
            "responseCard": "string"
         }
      }
   ],
   "version": "string"
}

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

checksum

Checksum of the $LATESTversion of the intent created or updated.

Type: String

conclusionStatement

After the Lambda function specified in thefulfillmentActivityintent fulfills the intent, Amazon Lex conveys this statement to the user.

Type: Statement object

confirmationPrompt

If defined in the intent, Amazon Lex prompts the user to confirm the intent before fulfilling it.

Type: Prompt object

createdDate

The date that the intent was created.

Type: Timestamp

createVersion

True if a new version of the intent was created. If the createVersion field was not specified in the request, the createVersion field is set to false in the response.

Type: Boolean

description

A description of the intent.

Type: String

Length Constraints: Minimum length of 0. Maximum length of 200.

dialogCodeHook

If defined in the intent, Amazon Lex invokes this Lambda function for each user input.

Type: CodeHook object

followUpPrompt

If defined in the intent, Amazon Lex uses this prompt to solicit additional user activity after the intent is fulfilled.

Type: FollowUpPrompt object

fulfillmentActivity

If defined in the intent, Amazon Lex invokes this Lambda function to fulfill the intent after the user provides all of the information required by the intent.

Type: FulfillmentActivity object

inputContexts

An array of InputContext objects that lists the contexts that must be active for Amazon Lex to choose the intent in a conversation with the user.

Type: Array of InputContext objects

Array Members: Minimum number of 0 items. Maximum number of 5 items.

kendraConfiguration

Configuration information, if any, required to connect to an Amazon Kendra index and use the AMAZON.KendraSearchIntent intent.

Type: KendraConfiguration object

lastUpdatedDate

The date that the intent was updated. When you create a resource, the creation date and last update dates are the same.

Type: Timestamp

name

The name of the intent.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 100.

Pattern: ^([A-Za-z]_?)+$

outputContexts

An array of OutputContext objects that lists the contexts that the intent activates when the intent is fulfilled.

Type: Array of OutputContext objects

Array Members: Minimum number of 0 items. Maximum number of 10 items.

parentIntentSignature

A unique identifier for the built-in intent that this intent is based on.

Type: String

rejectionStatement

If the user answers "no" to the question defined in confirmationPrompt Amazon Lex responds with this statement to acknowledge that the intent was canceled.

Type: Statement object

sampleUtterances

An array of sample utterances that are configured for the intent.

Type: Array of strings

Array Members: Minimum number of 0 items. Maximum number of 1500 items.

Length Constraints: Minimum length of 1. Maximum length of 200.

slots

An array of intent slots that are configured for the intent.

Type: Array of Slot objects

Array Members: Minimum number of 0 items. Maximum number of 100 items.

version

The version of the intent. For a new intent, the version is always $LATEST.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 64.

Pattern: \$LATEST|[0-9]+

Errors

BadRequestException

The request is not well formed. For example, a value is invalid or a required field is missing. Check the field values, and try again.

HTTP Status Code: 400

ConflictException

There was a conflict processing the request. Try your request again.

HTTP Status Code: 409

InternalFailureException

An internal Amazon Lex error occurred. Try your request again.

HTTP Status Code: 500

LimitExceededException

The request exceeded a limit. Try your request again.

HTTP Status Code: 429

PreconditionFailedException

The checksum of the resource that you are trying to change does not match the checksum in the request. Check the resource's checksum and try again.

HTTP Status Code: 412

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: