mech:compdef-get-instances
(mech:compdef-get-instances
 blkRefOrSolid)
Returns the list of entities, which are
instances of the component referenced by blkRefOrSolid (ename)
entity.
| Arguments | blkRefOrSolid (ename) the entity to query | 
| Return | list of entities on success, or NIL in case of an error | 
| Example | (vl-load-mech)
 1 | 
| Remarks | blkRefOrSolid could be a BlockReference or 3dSolid | 
| Note | returned list is non-empty only if the component type is 'Assembly' | 
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