How do we find the Current Form Function name in Oracle EBS 11i/R12
Form Name :

Form Name = CSTFITCT

Function Name :

Function Name = CST_CSTFITCT
Query to identify the form name base on function name
SELECT ff.FORM_NAME,
ff.USER_FORM_NAME,
ff.DESCRIPTION form_description,
fff.FUNCTION_NAME,
fff.USER_FUNCTION_NAME
FROM fnd_form_vl ff, FND_FORM_FUNCTIONS_VL fff
WHERE ff.FORM_ID = fff.FORM_ID AND ff.form_name = 'FROM_NAME'

Form Name = CSTFITCT
Function Name :
Function Name = CST_CSTFITCT
Query to identify the form name base on function name
SELECT ff.FORM_NAME,
ff.USER_FORM_NAME,
ff.DESCRIPTION form_description,
fff.FUNCTION_NAME,
fff.USER_FUNCTION_NAME
FROM fnd_form_vl ff, FND_FORM_FUNCTIONS_VL fff
WHERE ff.FORM_ID = fff.FORM_ID AND ff.form_name = 'FROM_NAME'
Global Variable FND_CUSTOM_FUNCTION_NAME stores the Current Function Name of the forms session.