db.grantRolesToRole() in mongoDB

grantRolesToRole(rolename, roles, writeConcern?)

This method takes three parameters. This method grants roles to a user-defined role.

Syntax:

db.grantRolesToUser( "<rolename>", [ <roles> ], { <writeConcern> })

Example:

use admin

db.grantRolesToRole(

 "myAdmin",

  [ "read" ],

  { w: "majority" , wtimeout: 5000 }

)

MongoDB

db.grantRolesToRole(

    "myAdmin",
   
     [ "read" ],
   
     { w: "majority" , wtimeout: 5000 }
   
   )