# Add payment products

If you need to add new payment products after launching the application, you must complete the integration processes again.

## Step 1: Add products

1.  Go to the **Products** panel of the **Summary** page and click **\+ Add Products**.

![image](https://idocs-assets.marmot-cloud.com/storage/idocs87c36dc8dac653c1/1736763941636-38cc8ffa-091a-4431-b843-abaa56739bac.png)

2.  Choose the products that you want to add.

![image](https://idocs-assets.marmot-cloud.com/storage/idocs87c36dc8dac653c1/1646028449729-0c2f54b9-ffcd-4819-93b6-ff1482ecb95a.png)

3.  Click **Confirm** to add the products.

## Step 2: Select features for added products

Repeat the [Select features for products](create_application#Fy9l6) process.

## Step 3: Develop in the sandbox

Repeat the [Develop in sandbox](develop_in_sandbox) process.

## Step 4: Conduct sandbox acceptance testing

Repeat the [Conduct sandbox acceptance testing](conduct_sandbox_acceptance_testing) process.

## Step 5: Launch into production

After all required test cases for the new products are passed, you can then launch the application into production again.

Go back to the **Production** > **Launch** page. Tick the **Go-live Checklist** box and click **Launch**.