LexModelBuildingService / Client / get_slot_type



Returns information about a specific version of a slot type. In addition to specifying the slot type name, you must specify the slot type version.

This operation requires permissions for the lex:GetSlotType action.

See also: AWS API Documentation

Request Syntax

response = client.get_slot_type(
  • name (string) –


    The name of the slot type. The name is case sensitive.

  • version (string) –


    The version of the slot type.

Return type:



Response Syntax

    'name': 'string',
    'description': 'string',
    'enumerationValues': [
            'value': 'string',
            'synonyms': [
    'lastUpdatedDate': datetime(2015, 1, 1),
    'createdDate': datetime(2015, 1, 1),
    'version': 'string',
    'checksum': 'string',
    'valueSelectionStrategy': 'ORIGINAL_VALUE'|'TOP_RESOLUTION',
    'parentSlotTypeSignature': 'string',
    'slotTypeConfigurations': [
            'regexConfiguration': {
                'pattern': 'string'

Response Structure

  • (dict) –

    • name (string) –

      The name of the slot type.

    • description (string) –

      A description of the slot type.

    • enumerationValues (list) –

      A list of EnumerationValue objects that defines the values that the slot type can take.

      • (dict) –

        Each slot type can have a set of values. Each enumeration value represents a value the slot type can take.

        For example, a pizza ordering bot could have a slot type that specifies the type of crust that the pizza should have. The slot type could include the values

        • thick

        • thin

        • stuffed

        • value (string) –

          The value of the slot type.

        • synonyms (list) –

          Additional values related to the slot type value.

          • (string) –

    • lastUpdatedDate (datetime) –

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

    • createdDate (datetime) –

      The date that the slot type was created.

    • version (string) –

      The version of the slot type.

    • checksum (string) –

      Checksum of the $LATEST version of the slot type.

    • valueSelectionStrategy (string) –

      The strategy that Amazon Lex uses to determine the value of the slot. For more information, see PutSlotType.

    • parentSlotTypeSignature (string) –

      The built-in slot type used as a parent for the slot type.

    • slotTypeConfigurations (list) –

      Configuration information that extends the parent built-in slot type.

      • (dict) –

        Provides configuration information for a slot type.

        • regexConfiguration (dict) –

          A regular expression used to validate the value of a slot.

          • pattern (string) –

            A regular expression used to validate the value of a slot.

            Use a standard regular expression. Amazon Lex supports the following characters in the regular expression:

            • A-Z, a-z

            • 0-9

            • Unicode characters (”u<Unicode>”)

            Represent Unicode characters with four digits, for example “u0041” or “u005A”.

            The following regular expression operators are not supported:

            • Infinite repeaters: *, +, or {x,} with no upper bound.

            • Wild card (.)


  • LexModelBuildingService.Client.exceptions.NotFoundException

  • LexModelBuildingService.Client.exceptions.LimitExceededException

  • LexModelBuildingService.Client.exceptions.InternalFailureException

  • LexModelBuildingService.Client.exceptions.BadRequestException


This example shows how to get information about a slot type.

response = client.get_slot_type(


Expected Output:

    'version': '$LATEST',
    'name': 'DocPizzaCrustType',
    'checksum': '210b3d5a-90a3-4b22-ac7e-f50c2c71095f',
    'createdDate': 1494359274.403,
    'description': 'Available crust types',
    'enumerationValues': [
            'value': 'thick',
            'value': 'thin',
    'lastUpdatedDate': 1494359274.403,
    'ResponseMetadata': {
        '...': '...',