In Magento admin panel go to Splitorderpro tab → Splitorderpro Attribute

• Here add a new attribute or manage old ones.
• Attributes created first needs to be assigned to default attribute set and then later to any required attribute set.
• To split according to any attribute the attribute needs to be enabled.
• If there are multiple attributes,then they will work according to priority.
• If two attributes have same priority then last modified attribute will be applicable.