> For the complete documentation index, see [llms.txt](https://mind-expression-docs.gitbook.io/home/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mind-expression-docs.gitbook.io/home/how-to-guides/build-q-and-a-subjects/case-1.-online-payment.md).
# Case 1. Online Payment
### Add a Subject
1. Click **Add Subject** on the Scope details page.
2. Stay in the `Q&A` tab.
3. Enter a Subject name.
4. Enter Query Statement which is the expected customer query as "Can I pay online?"
5. Click **Recognize Statement** to get the Recognition Result.
6\. The **Recommended Statement** is the statement which is semantically related to more ontologies and can generally capture more statement structures with the same intent. To use the recommended statement, just tick the checkbox saying **Use Recommended Statement**.
7\. **Additional Query Statement to Recognize** may also be added but not required. This is used in case of multiple intents being expected to trigger this subject.
8\. Click **Add**.
### Build the Subject
1. Click + **Add Action** in the Conversation panel.
2. Under AI Response, Click **Show response**.
3. Stay in the `Local` tab.
4\. Enter response as "Yes, we support online payment. To pay the bill, please visit and go to My Page > Make Payment."
5\. Click **Save**.
6\. Click **Publish** to publish the Subject.
7\. To test the subject, click on the sandbox button on the right side of the screen and enter the query statement configured, in this case, `Can I pay online?`.
