name 

entityName 

Yes 

No 

The name of the component. 

path 

pathReference 

No 

No 

The path of the component. If unspecified, the path of the containing entity is assumed. 

version 

version 

No 

No 

The version of the component. If unspecified, the latest component is used. 

host 

string 

No 

Yes 

The host on which the component should be installed. Defaults to the current host. See the <retarget> step host attribute for details.