ADC API in zeyphr

[jyotibabasahebyadav-eaton]

1.I want to know about the how adc adc_sequence_callback is working for what perpose we can use it
adc typedef enum adc_action (*adc_sequence_callback)(const struct device *dev,
const struct adc_sequence *sequence,
uint16_t sampling_index);

I want to understand about the Zeyphr adc_context_on_sampling_done() API how it is working in drivers/adc/adc_context.h.