Goal: Open the ZArciver app , compress the file DCIM at the Fast compression level and encryption to Data (AES-256)
Step instructions:
Open the ZArchiver app
Click on the folder icon of DCIM folder
Click on the Download button at the bottom right corner
Click on the Compression level
Choose the Fast option from the compression levels 
Click on the OK button at the bottom right corner of the pop up 
Actions:
action_type: open_app
app_name: ZArchiver
action_type: click
action_type: click
action_type: click
action_type: click
action_type: click