CPE_FORMSTATUS_READ_CB is a standard SAP function module that performs CPE_C - Formula Status - Read from Customizing Buffer functionality. This is available within standard R/3 SAP systems depending on version and release level.
Below are the pattern details for this FM showing its interface including any import, export and tables parameters. There is also a list of Exceptions and for your convenience any standard documentation available. All this information and more can also be viewed if you enter the function module name CPE_FORMSTATUS_READ_CB into the relevant SAP transaction such as SE37 or SE80.
CALL FUNCTION 'CPE_FORMSTATUS_READ_CB' "CPE_C - Formula Status - Read from Customizing Buffer
EXPORTING
iv_formstatus = " cpet_formstatus CPE Formula - Status of Evaluation
* iv_langu = SY-LANGU " langu Language key
* iv_no_buffer = ' ' " char1 Single-character flag
IMPORTING
es_formstatus = " cpec_formstatus CPE Formula - Status
ev_formsttext = " cpec_formstatust-formsttext Description
EXCEPTIONS
MISSING_BASIS_AUTHORIZATION = 2 " The needed authorization for CPE BASIS functionality is missing
. " CPE_FORMSTATUS_READ_CB