Environment Instance property variables are available in Workflow Editor (UI), Shell Plugins, and Script based plugins.

...

For example, if you are looking for FDSVN_URL of SAMPLEAPPS instance.
    

Unix Shell

Use ${variable_name} to find value for specific instance.

• myinstance='SAMPLEAPPS'
• myproperty='FDSVN_URL'
• mydynamicvar=${myinstance}_${myproperty}
  • SAMPLEAPPS_FDSVN_URL
• echo ${mydynamicvar}
  • http://svn.domain.com/repo1

Groovy

getProperty(propertyName)

...