After creating an object, you need to add fields to it. To do this:
Go to the Fields section.
Click Add.
The Create a field form will appear:
Select the field type and enter the field name.
Click Next.
Select the appropriate access settings for your role for this field.
Click Create.
As a result, the created field will appear in the list of fields for your object.
Add all required fields to your object in the same way.
After all fields have been added, you need to configure how these fields are displayed on the map.