First we open crontab to make changes to jobs by entering

crontab -e

command Then we activate edit mode by clicking

i

letter After editing we need to exit from edit mode by clicking

Esc

button Then we click

:wq

to save the changes

00 21 * * * php /var/www/html/services_cron/job_payments/index.php >> /var/log/job_payments.log 2>&1

By adding the line above, we tell

cronjob

to run the following file every day at

21:00

/var/www/html/services_cron/job_payments/index.php

And write output to the log file

/var/log/job_payments.log