When the Plugin is enabled :

1.  When plugin is enabled and set condition Default:

Objective: It will split all orders whether any attribute assigned or not:

When added 1 product with a name 

1.Demo123

Color Blue 

Size L

1 Qty 

2.Demo123

Color Red

Size L

1 Qty 

Total qty =2 for the same product

On checkout after order

2. When Enable split order and set conditions- 

A.Split according to Attribute

Objective: It will split if selected attribute- Color/size there in product, If conditions find with products then selected attribute split and others will become as one order

After save configuration Add the variant color and size as per requirement:

If the customer select color-

Add variant > Priority /Attribute/ select as per color/size 

If Admin added only color Blue

After back see setting:

Frontend :

If added

Two order will be created as in cart 1 product is selected attribute

3. Split if attribute exist:

Color Attribute blue is already set earlier in the backend 

Objective: If selected attribute finds in cart products then all orders will split, if not then all products combined in 1 order. 

Backend :

Frontend:

1.Condition: If cart products find with Blue color 

Objective: All orders will be split.

• If cart does not finds with the blue color selected then:

Objective: All products will combine together if selected attribute does not find in cart products

IF both are a different color