The PIRS, categorizes each individual intervention. It allows for examining the therapy process at the level of moment-to-moment interactions apart from summarizing techniques used for the session overall.
Milbrath, C., Bond, M., Cooper, S., Znoj, H. J., Horowitz, M. J., & Perry, J. C. (1999). Sequential consequences of therapists’ interventions. The Journal of psychotherapy practice and research, 8(1), 40. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3330527/