interface PromptPreProcessingConfigCustomParser 🔹

Language	Type name
.NET	Amazon.CDK.AWS.Bedrock.Alpha.PromptPreProcessingConfigCustomParser
Go	github.com/aws/aws-cdk-go/awsbedrockalpha/v2#PromptPreProcessingConfigCustomParser
Java	software.amazon.awscdk.services.bedrock.alpha.PromptPreProcessingConfigCustomParser
Python	aws_cdk.aws_bedrock_alpha.PromptPreProcessingConfigCustomParser
TypeScript (source)	@aws-cdk/aws-bedrock-alpha » PromptPreProcessingConfigCustomParser

Configuration for the pre-processing step.

Example

const parserFunction = new lambda.Function(this, 'ParserFunction', {
  runtime: lambda.Runtime.PYTHON_3_10,
  handler: 'index.handler',
  code: lambda.Code.fromAsset('lambda'),
});

const agent = new bedrock.Agent(this, 'Agent', {
  foundationModel: bedrock.BedrockFoundationModel.AMAZON_NOVA_LITE_V1,
  instruction: 'You are a helpful assistant.',
  promptOverrideConfiguration: bedrock.PromptOverrideConfiguration.withCustomParser({
    parser: parserFunction,
    preProcessingStep: {
      stepType: bedrock.AgentStepType.PRE_PROCESSING,
      useCustomParser: true
    }
  })
});

Properties

Name	Type	Description
stepType🔹	AgentStepType	The type of step this configuration applies to.
customPromptTemplate?🔹	string	The custom prompt template to be used.
inferenceConfig?🔹	InferenceConfiguration	The inference configuration parameters to use.
stepEnabled?🔹	boolean	Whether to enable or skip this step in the agent sequence.
useCustomParser?🔹	boolean	Whether to use the custom Lambda parser defined for the sequence.

---

stepType🔹

Type: AgentStepType

The type of step this configuration applies to.

---

customPromptTemplate?🔹

Type: string (optional, default: The default prompt template will be used.)

The custom prompt template to be used.

See also: https://docs.aws.amazon.com/bedrock/latest/userguide/prompt-placeholders.html

---

inferenceConfig?🔹

Type: InferenceConfiguration (optional, default: undefined - Default inference configuration will be used)

The inference configuration parameters to use.

---

stepEnabled?🔹

Type: boolean *(optional, default: The default state for each step type is as follows.

PRE_PROCESSING – ENABLED ORCHESTRATION – ENABLED KNOWLEDGE_BASE_RESPONSE_GENERATION – ENABLED POST_PROCESSING – DISABLED)*

Whether to enable or skip this step in the agent sequence.

---

useCustomParser?🔹

Type: boolean (optional, default: false)

Whether to use the custom Lambda parser defined for the sequence.