Variables

Overview

Variables in Sysprompt let you add dynamic placeholders within your prompts, so you can customize content without manually editing text every time. Instead of hard-coding values (e.g., specific names, budgets, or products), you can insert placeholders like {{variable_name}}. At runtime, Sysprompt (or the SDK) will replace these placeholders with the actual values you provide.

Why Use Variables?

Variables allow you to transform a single prompt into a flexible template that can adapt to various scenarios on the fly. By swapping out different values rather than rewriting the prompt itself, you can speed up your development workflow, keep your text cleaner, and enable collaboration across technical and non-technical teams. Below are the main benefits of using variables:

  • Reusability: Create one prompt that can handle multiple scenarios, simply by changing the variable values.
  • Maintainability: Update variable data in your application without having to alter the prompt’s text each time.
  • Collaboration: Let designers or product managers work on the base prompt while developers handle the dynamic data injected at runtime.
  • Flexibility: Prompt placeholders can be anything—client names, budget amounts, product categories, user inputs, and more.
  • Using Variables via the SDK

    To include variables when fetching your prompt through the Python SDK, simply pass them as key-value pairs in the compile() method:

    prompt_messages = sysprompt.compile(
      "my_prompt_id",
      {
        "client_name": "Acme Corp",
        "budget": "100000"
      }
    )

    Sysprompt replaces all {{variable_name}} placeholders in your prompt with the values you provide, returning a fully rendered prompt. For more details on installing, configuring, and using the SDK, visit our official SDK Documentation.

    Best Practices for Variables

    Using variables effectively in your prompts is essential for clarity, security, and ease of collaboration. By following the guidelines below, you can ensure that your prompts remain organized and scalable as your projects evolve:

    • Keep Names Descriptive
      Use clear, self-explanatory names (e.g., {{product_name}}, {{start_date}}) so collaborators immediately know what data the variable represents.
    • Avoid Sensitive Data
      Do not embed credentials, personal identifiers, or other confidential information in prompts. Instead, reference them securely as environment variables or tokens.
    • Use Consistent Naming
      Establish a naming convention (e.g., snake_case) within your team. This fosters clarity and consistency, especially when multiple collaborators are editing prompts.

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