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Retell AI Tools

Retellai Update Retell Llm

Update an existing Retell LLM Response Engine by its unique identifier. Use when you need to modify LLM configuration, prompts, tools, conversation flows, or model settings for an existing response engine.

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Use Retellai Update Retell Llm

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Inputs

  • mcpsarray
    Model Context Protocol (MCP) integrations for extended capabilities.
  • modelstring
    Text LLM model selection for generating responses.
  • llm_idstring
    Required
    Unique identifier of the Retell LLM Response Engine to update.
  • statesarray
    Conversation state definitions with prompts, transitions (edges), and state-specific tools.
  • versioninteger
    Version number of the LLM configuration.
  • kb_configobject
    Knowledge base configuration for RAG
  • s2s_modelstring
    Speech-to-speech model selection for real-time voice responses.
  • begin_messagestring
    The first utterance spoken by the agent when the conversation starts.
  • general_toolsarray
    Predefined tools available to the agent, such as end_call or transfer_call functions.
  • start_speakerstring
    Determines who initiates the conversation. Either 'user' or 'agent'.
  • general_promptstring
    System prompt applied across all conversation states. Defines agent behavior and personality.
  • starting_statestring
    Name of the initial conversation state when using multi-state flows.

Observable output

  • data
    Required
    Data from the action execution
  • errorstring
    Error if any occurred during the execution of the action
  • successfulboolean
    Required
    Whether or not the action execution was successful or not

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