SHLF_EXP_QUANTITY() function not found

Hello,

I just came across a SNP macro which uses a function called SHLF_EXP_QUANTITY().

I searched for this function on help.sap.com --SNP functions-- SNP Functions - Planning Area Administration - SAP Library

I did not find this function anywhere also it is poorly documented over internet.

Where can I get information about this function.

Thanks.

Harshad M