CmdID / az / az sig / az sig image-definition
az sig image-definition wait
Place the CLI in a waiting state until a condition is met. Azure CLI reference
2 options Its page in the Azure CLI reference
Options
--gallery-image-definition, --gallery-image-name, -iThe name of the gallery image definition to be retrieved.--gallery-name, -rThe name of the Shared Image Gallery from which the Image Definitions are to be retrieved.