environment variables for a RAG/Bedrock notebook

os.environ["AWS_DEFAULT_REGION"] - The region where you have access to the Bedrock. Sample value : us-east-1  
os.environ["AWS_PROFILE"] = "<YOUR_PROFILE>"  - If you run the notebook from your local, the profile you have setup in your local environment which has access to the Bedrock. 
os.environ["BEDROCK_ASSUME_ROLE"] = "<YOUR_ROLE_ARN>"  - IAM Role which has access to the Bedrock

Please refer the following link which has the boto3 setup instructions - Create the boto3 client
https://github.com/aws-samples/amazon-bedrock-workshop/blob/6c6997b042b8d493b74d2e8ece3eff4dce96a95c/00_Intro/bedrock_boto3_setup.ipynb#Prerequisites

Hi Josh, Before you begin any of the modules in the workshop you need to run the Workshop set up located at

https://github.com/aws-samples/amazon-bedrock-workshop/blob/6c6997b042b8d493b74d2e8ece3eff4dce96a95c/00_Intro/bedrock_boto3_setup.ipynb#Prerequisites

If you are already in the notebook session, you can find this module at: 00_Intro -> bedrock_boto3_setup.ipynb then proceed to run all cells.