https://pnp.github.io/cli-microsoft365/cmd/purview/retentioneventtype/retentioneventtype-remove/
purview retentioneventtype remove - CLI for Microsoft 365
Delete a retention event type
for microsoftpurviewremovecli
https://pnp.github.io/cli-microsoft365/cmd/purview/retentioneventtype/retentioneventtype-add/
purview retentioneventtype add - CLI for Microsoft 365
Create a retention event type
for microsoftpurviewaddcli