GRANTING PERMISSION TO OBJECT WHEN ADDING PEOPLE TO CHAT Russian patent published in 2019 - IPC H04L12/58 G06F21/31 

FIELD: electrical communication engineering.

SUBSTANCE: invention relates to the field of computing technology. Technical result is achieved by determining whether the recipient is an external recipient that is external to the organization; if the recipient is an external recipient and external sharing is not allowed in the messaging system, an error message is displayed; if the recipient is an external recipient and external sharing is allowed in the messaging system, access the control list to determine if the recipient has permissions to access the shared object or not, and if the recipient does not have permissions to access the shared object, modify the permissions in the access control list to set permissions for the recipient so that the recipient has access to the shared object; and if the recipient is not an external recipient, access the access control list to determine whether the recipient has permissions to access the shared object.

EFFECT: technical result is to improve the efficiency of messaging.

6 cl, 17 dwg