Grid: Grid to manage all previously added extra fees for your store. You can search and edit extra fee from here.
Panel
Fee Information: Expand the tab to find more options for fees. Provide fees related options and configurations.
Manage Options:Expand the tab to find more options for extra fee options configurations.
Conditions: Expand the tab to configure conditions to apply/display extra fees.
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Fee Name: Provide unique identifier/name for extra fee.
Required: Select "Yes", to make extra fees as required in front-end.
Display Type: Select display type to create control in front end
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Sort Order: Provide sort order to display extra fees in front-end if multiple extra fees found.
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Is Default: Selectoption to make as default. Default option will be selected initially in front end.
Price: Provide price for the option.
Apply As: Select "Fixed" if you want to apply price as fixed or select "Percentage" to calculate price dynamically based on product price with set percentage.
Admin: Provide option labels to display in store views.
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Calculate fees after discount: Select 'Yes', if you want to calculate the extra fee based on the prices after discount applied. If you have selected as default then it will apply as per global configuration.
Calculate fees after tax: Select 'Yes', if you want to calculate the extra fee based on the prices after tax applied. If you have selected as default then it will apply as per global configuration.
Calculate fees after shipping: Select 'Yes', if you want to calculate the extra fee based on the prices after shipping applied. If you have selected as default then it will apply as per global configuration.
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Conditions: Select conditions to apply extra fees if matches.
Extra Fee in Order (Admin Panel)
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In admin panel you will find option as shown in above image to apply extra fees while placing an order from back-end.