Run Expansion
Once seqIDs are declared and associated with simulated activities, an expansion set must be selected from the "Expansion Set" drop-down menu. Once the expansion set is selected, clicking on the "Expand" button in the upper right corner of the panel will run command expansion.
![Aerie UI - Plan Run Expansion](/aerie-docs/assets/images/plan-run-expansion-1538a8c5830d98efb5d327aaa47f1176.png)
Viewing Expansion Results
Once expansion is complete, users can view the resulting sequence in the seqJSON format by clicking the "Open Sequence" icon as shown below.
![Aerie UI - Plan View Sequence](/aerie-docs/assets/images/plan-view-sequence-c1dd15d75f2fa9401edae288ac49061f.png)