| allocate | Split into Parallel Study Arms or Strata |
| assess | Record an Assessment or Procedure Step |
| cohort | Extract the Final Cohort |
| cohorts | Extract Cohorts at Every Stage |
| combine | Merge Parallel Streams |
| endpoint | Mark the Final Analysis Endpoint |
| enroll | Initialize an Enrollment Flow |
| exclude | Exclude Participants by Criteria |
| flowchart | Render an Enrollment Flowchart |
| flowsave | Save Diagram to File |
| phase | Label a Phase of the Enrollment Flow |
| plot.selecta | Render an Enrollment Flowchart |
| print.selecta | Print an Enrollment Flow Summary |
| recdims | Recommended Figure Dimensions |
| selectaex0 | Simulated Observational Cohort (No Arms) |
| selectaex2 | Simulated Two-Arm Randomized Trial |
| selectaex3 | Simulated Three-Arm Randomized Trial |
| selectaex6 | Simulated Six-Arm Dose-Finding Trial |
| sources | Initialize a Multi-Source Flow |
| stratify | Split into Parallel Study Arms or Strata |
| summary.selecta | Summarize an Enrollment Flow |