It appears that it is the only good option to incorporate Order Flow into Tradestation

It looks like very interesting system and based on the website Bookmap should work with Tradestation for futures trading.

Of course you need Global+ 99 or 79$/month plus data 39$ CME.
So it is not cheap - 120$ month... But I could offset it buy getting rid off Tradingview premium

Any suggestions?

I have used BM with TS successfully for futures. I used Rithmic Data from RTrader Pro so I could share data with other programs at the same time, like NinjaTrader or Motivewave.
It does require Global + and works quite well. You can enter or manage orders from BM or TS.

I have since left TS because of there slow Network during open or any busily times. Order confirmations to TS can take over a minute. For Scalping that is a long time.

Since Covid growth in trading support is almost not accessible and the emergency trade desk may put you on hold for minutes then disconnect you when your orders hang up.

I have used BM with NinjaTrader, TradeStation and the TOS version. They are not updating there NinjaTrader connection. TOS is still a bit heavy so if you use that used multiple TOS apps open at the same time, since TOS does not used multi processers well.

So yes TS and BM work well together. BM support is good, TS support almost non-existent requiring you to open a ticket for call back early in the morning before their cue fills up.

Hope this helps. Enjoy

When i first got Motivewave i used the Tradestation API. The TS API does not allow all the Motivewave features their DOM allows, also had issues with the heatmap. I switched to Rithmic which supports all features in Motivewave. Love the platform and the data. I still used TS for my custom built indicators and strategies but use Motivewaves DOM, order flow, heatmap and other features that TS does not have.
Good luck