I have different Grafana dashboards build on Graphite datasources. And add variable with such values: grp1,grp2,grp3,grp4 Now I can choose any group in dropdow
webapi2
android-window
facebook-friends
jinjava
esp-idf
budibase
collada
google-client-login
wso2-enterprise-integrator
asgardcms
pencilkit
unnamed-pipes
jquery-tooltip
bluetooth
teamwork-projects
http-request
checkboxlist
alacritty
tensorflow-transform
karel
preprocessor
referrer
actix-web
vdi
roda
supertype
identity-insert
color-thief
sql-server-2008r2-express
onem2m