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Restore a version of a prompt
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This sample demonstrates how to restore a specific version of the specified prompt.
Code sample
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[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],[],[],[],null,["# Restore a version of a prompt\n\nThis sample demonstrates how to restore a specific version of the specified prompt.\n\nCode sample\n-----------\n\n### Python\n\n\nBefore trying this sample, follow the Python setup instructions in the\n[Vertex AI quickstart using\nclient libraries](/vertex-ai/docs/start/client-libraries).\n\n\nFor more information, see the\n[Vertex AI Python API\nreference documentation](/python/docs/reference/aiplatform/latest).\n\n\nTo authenticate to Vertex AI, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n # import vertexai\n # from vertexai.preview import prompts\n #\n # # Initialize vertexai\n # vertexai.init(project=PROJECT_ID, location=\"us-central1\")\n #\n # # Create local Prompt\n # prompt = Prompt(\n # prompt_name=\"zoologist\",\n # prompt_data=\"Which animal is the fastest on earth?\",\n # model_name=\"gemini-2.0-flash-001\",\n # system_instruction=\"You are a zoologist. Answer in a short sentence.\",\n # )\n # # Save Prompt to online resource.\n # prompt1 = prompts.create_version(prompt=prompt)\n # prompt_id = prompt1.prompt_id\n #\n # # Restore to prompt version id 1 (original)\n # prompt_version_metadata = prompts.restore_version(prompt_id=prompt_id, version_id=\"1\")\n #\n # # Fetch the newly restored latest version of the prompt\n # prompt1 = prompts.get(prompt_id=prompt_version_metadata.prompt_id)\n #\n # # Example response:\n # # Restored prompt version 1 under prompt id 12345678910 as version number 2\n\nWhat's next\n-----------\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=generativeaionvertexai)."]]