Get App Configuration Connection string

main.bicep

targetScope = 'resourceGroup'

@allowed([
  'Primary'
  'Secondary'
  'Primary Read Only'
  'Secondary Read Only'
])
param connectionStringType string = 'Primary Read Only'

resource appConfiguration 'Microsoft.AppConfiguration/configurationStores@2023-03-01' existing = {
  name: '{Your app configuration name}'
}

var connectionString = filter(appConfiguration.listKeys().value, k => k.name == connectionStringType)[0].connectionString