[1] From the [Menu], open [Options].
[2] In the left panel, select [Defaut Properties Setting].
[3] Click [Add Property Templates] and choose the custom property you wish to include.
[4] Enter a Template Name.
Select the desired custom property and click [Add].
The selected custom properties will appear in the Template Properties list on the right.
If you only want to include property items (with empty values), click [Save] to complete template creation.
[5] To set default values, follow the steps below:
<Text Box>
Enter the desired default value.
In the Template Properties list, select the item, specify the Type and Default Value, then click [Set Value].
After setting values, click [Save] to finish creating the template.
<Combo Box>
In the Combo Box field, you can select from the combo box from the value and set it as the default value.

If you set Type to Combo Box, set it in the following steps:
Add the value selected in the combo box in the same step.
After adding it, click Save to finish creating the template.
Setting values in Combo Box can only be used when setting templates.
Combo box values can only be defined at the template level. They cannot be used directly within Part Properties.
Procedure:
[1] From the [Menu], open [Options].
[2] In the left panel, select [Template].
[3] In the Default Template section, click the Template field.
Select the template you created.