OnvifZoomPtzCommand constructor
OnvifZoomPtzCommand()
Implementation
OnvifZoomPtzCommand() {
argParser
..addOption('profile-token',
abbr: 't',
valueHelp: 'token',
mandatory: true,
help:
'The ProfileToken element indicates the media profile to use and will define the source and dimensions of the snapshot.')
..addOption('zoom',
mandatory: true,
valueHelp: 'double',
help: 'The speed for the zoom operation');
}