How to set value for custom column in table when add member in learning path in opigno lms

Harshil Vasani

i want to set value for custom column in table when add member in learning path in opigno lms. i have created custom module for set value when add new member. i could not found any way to complete my task. also want to new member details. please suggest which hook or functions are use to solve this problem .

thanks