action.yml

# action.yml
name: 'Variable Substitution'
description: 'Apply Variable substitution in XML,JSON or YAML files. Github.com/Azure/Actions'
inputs: 
  files:
    description: 'comma separated list of XML/JSON/YAML files in which tokens are to be substituted. Files names must be specified relative to the folder-path.'
    required: true
runs:
  using: 'node12'
  main: 'lib/variableSubstitution.js'