deploystaging.yml

.... #Content removed for focus on specific section
stages:

...
- stage: 'Staging' #Stage name cannot have spaces
  displayName: 'Staging' #Name displayed when viewing in Azure DevOps
  jobs:
  - deployment: Deploy_Staging #No spaces
    displayName: Staging Deployment #Name displayed in UI
    pool:
      vmImage: $(AgentImage) #variable that was defined previously (not shown in this snippet)
    environment: Staging
    strategy:
      runOnce:
        deploy:
          steps:
          - task: ExtractFiles@1
            displayName: 'Extract files'
            inputs:
              archiveFilePatterns: ''
              destinationFolder: ''
          - task: AzureRmWebAppDeployment@4
            displayName: 'Azure App Service Deploy'
            inputs:
              ConnectionType: 'AzureRM' #This is the default Value
              WebAppKind: 'webApp' #This is the default value
              azureSubscription: 'PipelineApp Azure Connection' #Name of the Service Connection previously created
              WebAppName: 'stg-MWKS-PipelineApp' #Name of the App Service to be deployed to
              Package: '' #Application files to be deployed
              enableCustomDeployment: true #These two properties override the default of having 
              DeploymentType: 'webDeploy'  #the pipeline deciding for us what it thinks the best deployment option should be