To send multimodal prompt requests with local video files using the GCP Gemini API, upload the video to a cloud storage service like Google Cloud Storage (GCS), make it publicly accessible, and reference its URL in your prompt.
Here is the code snippet you can refer to:

In the above code we are using the following key points:
Hence, by uploading local video files to GCS and referencing their URLs in prompts, you can effectively utilize the GCP Gemini API for multimodal interactions.