# Bulk tool issues (GPT for Excel – Autosheet)

## The Custom prompt tool is not working

**Problem**: The Custom prompt bulk tool does not give the desired result, often because the prompt is incomplete or the variables are incorrectly formatted.

> **Solution**
>
> Review the [Custom prompt article](https://autosheet.com/docs/gpt-for-excel/bulk-tools/reference#custom-prompt) for guidance on creating effective prompts and using the tool. If the issue persists, [contact support](https://support.autosheet.com/hc/en-us/requests/new).