# Step 7: Edit the required phone number field
Users must provide their phone numbers during account signup to ensure seamless integration with Digital River. Making the phone number field mandatory allows you to avoid potential issues and ensure the drop-in feature operates correctly. Follow these steps to edit the required phone number field:
{% hint style="info" %}
Digital River requires the phone number field. If no phone number is available, Drop-in will not display as expected.
{% endhint %}
1. Click **Settings** in the app menu on the left and then click **Account Signup Form**.
2. Click the **Address Fields** tab.\
3. Click **Edit** in the options menu.\
4. Select the **Yes this field is required** checkbox and click **Save**.
---
# 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://docs.digitalriver.com/bigcommerce/1.0-4/configure-the-bigcommerce-settings/step-7-edit-the-required-phone-number-field.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.
