GIMME now provides another option for arriving at model structures. This option does not use Granger causality to test the directionality of paths. Rather, it allows for multiple final models with both directions followed in model building. The researcher can then choose from the final models.

Details can be found in:

Beltz, A. M., & Molenaar, P. C. (2016). Dealing with multiple solutions in structural vector autoregressive models. Multivariate behavioral research, 51(2-3), 357-373.

with a tutorial found here: https://gimme.web.unc.edu/63-2/230-2/