Creates a **Prompt** that can be added to an [EVI configuration](https://dev.hume.ai/reference/speech-to-speech-evi/configs/create-config).

See our [prompting guide](https://dev.hume.ai/docs/speech-to-speech-evi/guides/phone-calling) for tips on crafting your system prompt.

### Authentication

**X-Hume-Api-Key**  
API Key authentication via header

### Request

This endpoint expects an object.

- **name**: string (Required)  
  Name applied to all versions of a particular Prompt.

- **text**: string (Required)  
  Instructions used to shape EVI’s behavior, responses, and style.  
You can use the Prompt to define a specific goal or role for EVI, specifying how it should act or what it should focus on during the conversation. For example, EVI can be instructed to act as a customer support representative, a fitness coach, or a travel advisor, each with its own set of behaviors and response styles. For help writing a system prompt, see our [Prompting Guide](https://dev.hume.ai/docs/speech-to-speech-evi/guides/prompting).

- **prompt_expansion**: object (Optional)  
  Configuration for prompt expansion behavior.

- **version_description**: string or null (Optional)  
    An optional description of the Prompt version.

### Response

- **Created**
  - **created_on**: long  
    Time at which the Prompt was created. Measured in seconds since the Unix epoch.
  - **id**: string  
    Identifier for a Prompt. Formatted as a UUID.
  - **modified_on**: long  
    Time at which the Prompt was last modified. Measured in seconds since the Unix epoch.
  - **name**: string  
    Name applied to all versions of a particular Prompt.
  - **text**: string  
    Instructions used to shape EVI’s behavior, responses, and style. You can use the Prompt to define a specific goal or role for EVI, specifying how it should act or what it should focus on during the conversation. For example, EVI can be instructed to act as a customer support representative, a fitness coach, or a travel advisor, each with its own set of behaviors and response styles. For help writing a system prompt, see our [Prompting Guide](https://dev.hume.ai/docs/speech-to-speech-evi/guides/prompting).
  - **version**: integer  
    Version number for a Prompt. Version numbers should be integers. The combination of configId and version number is unique.
  - **version_type**: string  
    Indicates whether this prompt is using a fixed version number or auto-updating to the latest version. Values from the VersionType enum.
  - **prompt_expansion**: object  
    Configuration for prompt expansion behavior.

- **version_description**: string or null  
      An optional description of the Prompt version.