This is found via the admin-section and "Client" -> "Administration" -> "System settings" -> "Internal activities" -> "Measurement metohd". Enter a name / description here. The name / description will be what the user will see in the web application, and in the "Other" form, so the name / description should contain information about what this is intended to do. Just to make it easier to visualize it for the user. This will then be selectable in the "Other" form via "Client" -> "Administration" -> "System settings" -> "Internal activities" -> "Checklist" -> "Other".