Create and edit prompts

%pip install --upgrade "mlflow[databricks]>=3.1.0" openai
dbutils.library.restartPython()

import mlflow

# Replace with a Unity Catalog schema where you have CREATE FUNCTION privileges
uc_schema = "workspace.default"
# The following table will be created in the UC schema specified in the previous line
prompt_name = "summarization_prompt"

# Define the prompt template with variables
initial_template = """
Summarize content you are provided with in {{num_sentences}} sentences.

Content: {{content}}
"""

# Register a new prompt
prompt = mlflow.genai.register_prompt(
    name=f"{uc_schema}.{prompt_name}",
    template=initial_template,
    # all parameters below are optional
    commit_message="Initial version of summarization prompt",
    tags={
        "author": "data-science-team@company.com",
        "use_case": "document_summarization",
        "task": "summarization",
        "language": "en",
        "model_compatibility": "gpt-4"
    }
)

print(f"Created prompt '{prompt.name}' (version {prompt.version})")

from openai import OpenAI

# Enable MLflow's autologging to instrument your application with Tracing
mlflow.openai.autolog()

# Connect to a Databricks LLM via OpenAI using the same credentials as MLflow
# Alternatively, you can use your own OpenAI credentials here
mlflow_creds = mlflow.utils.databricks_utils.get_databricks_host_creds()
client = OpenAI(
    api_key=mlflow_creds.token,
    base_url=f"{mlflow_creds.host}/serving-endpoints"
)

# Use the trace decorator to capture the application's entry point
@mlflow.trace
def my_app(content: str, num_sentences: int):
    # Format with variables
    formatted_prompt = prompt.format(
        content=content,
        num_sentences=num_sentences
    )

    response = client.chat.completions.create(
      model="databricks-claude-sonnet-4",  # This example uses a Databricks hosted LLM - you can replace this with any AI Gateway or Model Serving endpoint. If you provide your own OpenAI credentials, replace with a valid OpenAI model such as gpt-4o.
      messages=[
          {
          "role": "system",
          "content": "You are a helpful assistant.",
          },
          {
          "role": "user",
          "content": formatted_prompt,
          },
      ],
    )
    return response.choices[0].message.content

result = my_app(content="This guide shows you how to integrate prompts from the MLflow Prompt Registry into your GenAI applications. You'll learn to load prompts, format them with dynamic data, and ensure complete lineage by linking prompt versions to your MLflow Models.", num_sentences=1)
print(result)

# Define the improved template
new_template = """
You are an expert summarizer. Condense the following content into exactly {{ num_sentences }} clear and informative sentences that capture the key points.

Content: {{content}}

Your summary should:
- Contain exactly {{num_sentences}} sentences
- Include only the most important information
- Be written in a neutral, objective tone
- Maintain the same level of formality as the original text
"""

# Register a new version
updated_prompt = mlflow.genai.register_prompt(
    name=f"{uc_schema}.{prompt_name}",
    template=new_template,
    commit_message="Added detailed instructions for better output quality",
    tags={
        "author": "data-science-team@company.com",
        "improvement": "Added specific guidelines for summary quality"
    }
)

print(f"Created version {updated_prompt.version} of '{updated_prompt.name}'")