Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Maxim-Integrated/max78002/GCR/EVENTEN#0x0
Event Enable Register.
Enable DMA event. When this bit is set, a DMA event will cause an RXEV event to wake the CPU from WFE sleep mode.
Enable TXEV pin event. When this bit is set, TXEV event from the CPU is output to GPIO1.9.
https://github.com/analogdevicesinc/msdk