# How can I add information to a case? After opening a case, click on the "Add to Case" button to add additional information to the case.

You can directly search for an existing subject by entering some identifying information here:

Or click "Create New" in order to add a new review, transactions, financial institutions, people, business, product, bank account, payment card, crypto address, device, or request.

To import data from a structured data document, you should: 1. Select the "Custom Import" option from the drop-down shown when you click "Create New". 2. Drag-and-drop a spreadsheet (into the “....or import a file” area in the pop-up screen) or copy-paste the data from a spreadsheet 3. Click on “Import” 4. Verify the information shown to you 5. Click on “Complete” {% hint style="info" %} You can add an "unknown subject" by choosing Person from the drop-down menu. Click on the "Enter manually" button, and then click on the "Add unknown subject" button without filling out the form. {% endhint %} --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://help.hummingbird.co/features/how-can-i-add-information-to-a-case.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.