Grant Access to the User for Verify

In this script, a user with SYSADMIN role is used to perform verify operation. Therefore, these access rights are required to be granted to the user.

grant ALL PRIVILEGES ON database PRESALES to role SYSADMIN;
grant ALL PRIVILEGES ON SCHEMA PRESALES to role SYSADMIN;

-- use any of below query based on the Format which you have created.
grant usage on function verify(string ,string ) to sysadmin;
grant usage on function verify(array) to sysadmin;
grant usage on function verify(object) to sysadmin;

-- changing the requested role.
use role sysadmin;