This can be done via the Business Dashboard using the Menu Editor under Online Ordering.
Follow the steps given below:
1. Select Menu Editor under Online Ordering on the dashboard navigation list.
![image](https://lh3.googleusercontent.com/yDsjxlIGdXvhpuFkwpbji38JO3hFYo0CEX5jo4-icFKzDitnmcRBzE2TQ6OCSCiQzdoYpMXv4sGCbihJbFQUnR9yMJPUGFquvJmwz1HdSUjQkhJXDg_sIhvqp2WZwdfedDv2A2iE)
2. Find the Item you want to manage the order types for by picking them from their relevant Category / Sub Category and select the same.
![image](https://lh3.googleusercontent.com/5wlxE7ZrRVveWjlEJxmm7F5PHjgVo9fqg3Nw879RlhTx8UueiljtUtkenReSdbCu8OvVrk0sHoV8BT_V3gx3b3C2YwxRx5na7vhIVuVtUKCsUwhHFrCm5TVLZy7zV0quYfdQl58M)
3. On selecting the Item, you will see the Item Details tab for the same, scroll down to Advanced Settings.
![image](https://lh3.googleusercontent.com/GnuNAOVgvwfx-r9a7iW3ivTU_vnVF88sfSQA5N9yD47fkFhdo5WkZAl7KH5-qY6QA15cNC7rRn1CTjL3dG89xkWez_KPax2E3wTsoKQBsY-CJuL4ABT2XjmsbvwoLbVQitSlm5_U)
4. Click on Advanced Settings and scroll down to the Availability section and select the different order types you want the item to be available. You can further activate Pre-ordering for the item. And also make the item available for specific time slots - days of the week and times of the days.
![image](https://lh6.googleusercontent.com/WJvIZ5V81i-1tn1lYLxU7bRej5IP0nNbC6yg3_64JHpLAs3xdvOVmODVowHYTDvg-KmWNjpcLMWteyngqmbZ8A_j-JuCN4EqbpvN6xyNAMc0kzqQOKfHlWPh3n-AbjN3iWHRY9Hz)
5. Once you've made the edits click Save.