Hello
The mentioned function module has the status 'Not released'. You may check that on the tab 'Attributes' on transaction SE37.
The status 'not released' means that this function module is used internally by SAP standard programs and it was not designed for a standalone usage by our customers.
Such function modules may be changed for code corrections or improvements, which may affect any custom code developed using such function modules.
Please take a look in note below that details the use of SAP function modules:
109533 - Use of SAP function modules
BR
Caetano