How to add custom column for laravel 'notifications' table -


i want add ref_no column notifications table. have ref_no column in appointments table. when 1 add new appointment wanna update ref_no columns in both tables. click on notifications panel wanna open appointments table ( not notifications). when click on appointment wanna delete relevant row notifications table. 

appointments table  id | date | ref_no

default notifications table added ref_no column

id | type | notifiable_id | notifiable_type | data | read_at | created_at | updated_at | ref_no


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