MSPM0L2228: how to check if crysal oscillator is stable?

Part Number: MSPM0L2228
Other Parts Discussed in Thread: SYSCONFIG

Tool/software:

Hi,
is there a callback function to check if the low frequency crystal is stable?
How to configure the sysctl DL_SYSCTL_IIDX_LFXT_GOOD interrupt?

Regards, Holger