Not able to create first user after connecting to database .. screen shot below :
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[mongo@HQ-OMS10 bin]$ /opt/mongodb/bin/mongo --host hq-oms10.pbfinvst.com
MongoDB shell version v3.4.2
connecting to: mongodb://hq-oms10.pbfinvst.com:27017/
MongoDB server version: 3.4.2
> use admin;
switched to db admin
> { createUser: "adminuser",
... pwd: "adminuser",
... customData:

{ new admin }

,
... roles: [
...

{ role: "userAdminAnyDatabase", db: "admin" }

],
... writeConcern:

{ none }

... }
2017-10-19T14:20:25.221-0400 E QUERY [thread1] SyntaxError: missing ; before statement @(shell):2:5