The item has been saved in the list, then email has to trigger for the list of user in SharePoint 2013.
You can use SharePoint Designer Workflow to send an Email on item creation in List.
For this you will need SharePoint Designer installed on your computer.
How to create a workflow:
- Open SharePoint designer.
- Connect to your site.
- Go to Workflows from ribbon.
Click List Workflow on ribbon and select your list.
Now go to 'Workflow Settings'
Setup workflow to start whenever item is created or changed(according to your requirement).
Add Send email action.
The following block will be added to your workflow:
Configure 'Send email' action to use assigned to field for determining recipient emails
Also you can define the body for the Email. You can use different lookups there, for example inserting values from the item or item URL or whatever.
Try adding new item to your list, you should receive email after adding an item in list.