strapi/packages/strapi-plugin-users-permissions/config/schema.graphql

module.exports = {
  type: {
    UsersPermissionsPermission: false // Make this type NOT queriable.
  },  
  query: `
    me: UsersPermissionsUser
  `,
  resolver: {
    Query: {
      me: {
        resolverOf: 'User.me',
        resolver: {
          plugin: 'users-permissions',
          handler: 'User.me'
        }
      },
      role: {
        resolverOf: 'UsersPermissions.getRole',
        resolver: async (obj, options, ctx) => {
          await strapi.plugins['users-permissions'].controllers.userspermissions.getRole(ctx);

          return ctx.body.role;
        }
      },
      roles: {
        description: `Retrieve all the existing roles. You can't apply filters on this query.`,
        resolverOf: 'UsersPermissions.getRoles', // Apply the `getRoles` permissions on the resolver.
        resolver: async (obj, options, ctx) => {
          await strapi.plugins['users-permissions'].controllers.userspermissions.getRoles(ctx);

          return ctx.body.roles;
        }
      }
    },
    Mutation: {
      createRole: {
        description: 'Create a new role',
        resolverOf: 'UsersPermissions.createRole',
        resolver: async (obj, options, ctx) => {
          await strapi.plugins['users-permissions'].controllers.userspermissions.createRole(ctx);

          return { ok: true };
        }
      },
      updateRole: {
        description: 'Update an existing role',
        resolverOf: 'UsersPermissions.updateRole',
        resolver: async (obj, options, ctx) => {
          await strapi.plugins['users-permissions'].controllers.userspermissions.updateRole(ctx);

          return { ok: true };
        }
      },
      deleteRole: {
        description: 'Delete an existing role',
        resolverOf: 'UsersPermissions.deleteRole',
        resolver: async (obj, options, ctx) => {
          await strapi.plugins['users-permissions'].controllers.userspermissions.deleteRole(ctx);

          return { ok: true };
        }
      }
    }
  }
};