title: Bot Framework Composer doesn't recognize custom function
body: <p>I need to execute some logic in a Composer bot that is not possible to do in Adaptive Expressions, so I went ahead and followed this instructions to create a custom function that I'm suppossed to be able to call from an Adaptive Expression in composer.</p>
  <p><a href="https://docs.microsoft.com/en-us/azure/bot-service/language-generation/bot-builder-howto-use-lg-custom-functions?view=azure-bot-service-4.0&amp;tabs=cs#add-a-custom-function-to-adaptive-expressions" rel="nofollow noreferrer">https://docs.microsoft.com/en-us/azure/bot-service/language-generation/bot-builder-howto-use-lg-custom-functions?view=azure-bot-service-4.0&amp;tabs=cs#add-a-custom-function-to-adaptive-expressions</a></p>
  <p>Then I added the function name into the settings like it's indicated here:</p>
  <p><a href="https://docs.microsoft.com/en-us/composer/how-to-validate#custom-functions" rel="nofollow noreferrer">https://docs.microsoft.com/en-us/composer/how-to-validate#custom-functions</a></p>
  <p>Running from composer or from the cli I get the same error:
  Application startup exception
  System.Data.SyntaxErrorException: {NAME_OF_FUNCTION_HERE} does not have an evaluator, it's not a built-in function or a custom function.</p>