What is the lscm command to create new build definition?

Accepted answer

scm command line tool does not support build operations.
Comments

Is there LSCM command to download attachments from workitems?

No the LSCM/SCM is the source control command line.
https://rsjazz.wordpress.com/2017/03/29/the-work-item-command-line-is-now-open-source/ allows command line operations for work items.
Comments
Donald Nong
Apr 17 '17, 10:31 p.m.Why would you want to do so? What is the use case?