Webhook for slot filling

[superleche]

While in most cases, the parameter prompts are enough to collect all required parameters, a webhook for slot-filling allows you to define more specific agent logic during collection of the parameters. For example, your webhook could handle the customization of follow-up questions or setting parameter slots that cannot be retrieved from the end-user response, like from a database.

This functionality should be incorporated into the development, so that it is not inevitable to save temporary registers (occupying space, time and memory) with necessary values; such as an ID of a database record that matches the user's intent. For example: The user wants an apple but needs to know that the data base ID is 8 and return it to the bot to store it for subsequent intents.

Dialogflow docs - Webhook for slot filling