code: function postJointToLightVendor(objJoint, handleResponse) {
  	console.log('posting joint identified by unit ' + objJoint.unit.unit + ' to light vendor');
  	requestFromLightVendor('post_joint', objJoint, function(ws, request, response){
  		handleResponse(response);
  	});
  }
docs: sent by light clients to their vendors