Starting April 29, 2025, Gemini 1.5 Pro and Gemini 1.5 Flash models are not available in projects that have no prior usage of these models, including new projects. For details, see Model versions and lifecycle .

Delete a prompt

This code sample demonstrates how to delete the specified prompt.

Code sample

Python

Before trying this sample, follow the Python setup instructions in the Vertex AI quickstart using client libraries . For more information, see the Vertex AI Python API reference documentation .

To authenticate to Vertex AI, set up Application Default Credentials. For more information, see Set up authentication for a local development environment .

  import 
  
  vertexai 
 
 from 
  
 vertexai.preview.prompts 
  
 import 
 Prompt 
 from 
  
 vertexai.preview 
  
 import 
  prompts 
 
 # Initialize vertexai 
  vertexai 
 
 . 
 init 
 ( 
 project 
 = 
 PROJECT_ID 
 , 
 location 
 = 
 "us-central1" 
 ) 
 # Create local Prompt 
 prompt 
 = 
 Prompt 
 ( 
 prompt_name 
 = 
 "movie-critic" 
 , 
 prompt_data 
 = 
 "Compare the movies 
 {movie1} 
 and 
 {movie2} 
 ." 
 , 
 variables 
 = 
 [ 
 { 
 "movie1" 
 : 
 "The Lion King" 
 , 
 "movie2" 
 : 
 "Frozen" 
 }, 
 { 
 "movie1" 
 : 
 "Inception" 
 , 
 "movie2" 
 : 
 "Interstellar" 
 }, 
 ], 
 model_name 
 = 
 "gemini-2.0-flash-001" 
 , 
 system_instruction 
 = 
 "You are a movie critic. Answer in a short sentence." 
 , 
 ) 
 # Save a version 
 prompt1 
 = 
  prompts 
 
 . 
  create_version 
 
 ( 
 prompt 
 = 
 prompt 
 ) 
 prompt_id 
 = 
 prompt1 
 . 
 prompt_id 
 # Delete prompt 
  prompts 
 
 . 
  delete 
 
 ( 
 prompt_id 
 = 
 prompt_id 
 ) 
 print 
 ( 
 f 
 "Deleted prompt with ID: 
 { 
 prompt_id 
 } 
 " 
 ) 
 # Example response: 
 # Deleted prompt resource with id 12345678910

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Code sample

Python

What's next

Delete a prompt