Actually I think it’s possible. According to your screenshot, I think you should cast your character blueprint in the event graph instead of the anim graph.
For my game, I use the EventGraph from the animBP to get all the variables and let the AnimGraph uses it. For example, I use the EventGraph to get 2 variables (forward and side), and then use those 2 variables in the AnimGraph.
I don’t think I can explain it as well as the video, so I really recommend watching it.
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