Extend TM Location with Additional Attributes
Standard SAP TM Location Attributes present are shown below.

Business has a requirement of some extra fields or attributes which will can be used to do operations on location like want to make that location where we can do nightly charges etc.
Location Table /SAPAPO/LOC provide provision for 5 Additional Fields (ATTLO01 to ATTLO05) which you can use.

To enable these fields on UI.
Run Transaction: SM30 and Maintain values /SAPAPO/V_FNMAT


Save and Open Location Again, You will see the extra fields on Location

Take note that the data type you cannot change for these attributes. You can read this data from location and use it for planning, Charge calculation operations etc.
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Best Regards,
Rohit