code: function halfOpen(item) {
  		item.state = C.CIRCUIT_HALF_OPEN;
  		item.ep.state = true;
  
  		logger.debug(`Circuit breaker has been half-opened on '${item.ep.name}' endpoint.`, { nodeID: item.ep.id, action: item.ep.action.name });
  
  		broker.broadcast("$circuit-breaker.half-opened", { nodeID: item.ep.id, action: item.ep.action.name });
  
  		if (item.cbTimer) {
  			clearTimeout(item.cbTimer);
  			item.cbTimer = null;
  		}
  	}
docs: Change circuit-breaker status to half-open
  
  @param {Object} item
  @param {Context} ctx