# Step 1: Create a Sandbox Workspace

The first step in developing and testing your Visionline plastic card encoding app using a sandbox workspace and Seam-provided virtual Visionline ACS is to create the sandbox workspace.

1. Log in to [Seam Console](https://console.seam.co/).
2. In the upper-left corner, click the workspace switcher.

   ![Use the Seam Console workspace switcher to switch between workspaces and create new workspaces.](/files/Fmgot5YjWdHXtrY7Eyte)
3. Click **New Workspace**.
4. In the **Add a Workspace** dialog, type a name for your new workspace and your company name.
5. Enable **Sandbox mode**.
6. Click **Create Workspace**.


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