The French President Emmanuel Macron and New Zealand's Prime Minister Jacinda Ardern will launch a new initiative called “Christchurch Call".
It is a non-binding set of agreements that a group of governments and major tech companies will sign.
It is a first-of-its-kind document as it is signed by both private companies and major governments.
It will ask signatory nations to pledge to eliminate terrorist and violent extremist content on social media and other online platforms.
India has signed it.
The Christchurch mosque shootings were two consecutive terrorist attacks at mosques in Christchurch, New Zealand, during Friday Namaz on 15 March, 2019.