User Guide
eva 3.4.1
eva 3.4.1
  • Home and Support
  • What's new
  • Changelog
  • Using eva
    • Overview
      • Virtual Agents
      • Main Concepts of eva
      • Glossary
    • Developing virtual agents
      • Quick Start with eva
      • Dialog Flows
      • Dialog Cells
        • Intent Cells
        • Entity Cells
        • Answer Cells
        • Service Cells
        • Input Cells
        • Jump Cells
        • End Cells
        • Code Cells
        • Rule Cells
      • Training task
      • Export and import agents
      • Create virtual agents from templates
      • Create and manage users
    • Channels
      • Integrating Existing Channels
    • Testing Virtual Agents
      • Test a virtual agent
      • Automated Test
    • Natural Language
      • eva NLP
      • Training with eva NLP
      • Training with eva Automated Learning
      • Using other NLP engines
    • Analytics
      • External analytics platforms
    • Experience
      • Context Management
    • Advanced Options
      • Parameters
      • Intent Navigator
      • PII Data masking
    • How Tos
      • Creating variable answers with Code and Rule cells
      • Videos
  • for technicians
    • eva server Installation guide
    • API Guidelines
      • Conversation API
      • Cloner API
      • Webhooks
    • Supported/verified third-party software
    • Appendices
    • Data Extraction
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  • Open context
  • Visible context
  • Hidden context
  1. Using eva
  2. Experience

Context Management

eva's platform is based on a microservices architecture and every component has its Rest APIs. A basic understanding of this architecture will help you understand the APIs

Agents are mainly stateless, but conversations between people can differ greatly based on their relationship and how much they know about each other. As a chatbot developer, you may find it difficult to keep track of different variables while maintaining the context and natural flow of a conversation.

eva helps you capture and reuse contextual data for a large variety of scenarios, so you can create more complex use cases and redefine the enterprise customer experience.

Those messages might generate data important to maintain the conversation, understand the user, and update information about the current process.

Channels and webhooks can manage the context to add information relevant during the virtual agent execution. Any information fetched by services can be added to the context for later use, while other webhooks might use data stored in the context to call other services and change the execution flow of the dialogue, and so on.

The context access is only available during the session, meaning that the access is lost when the session code expires.

Understanding how the context works is one of the most essential parts of eva. It is possible to use 3 different (three) types of context:

Open context

This context is the least secure. It is shared in all integrations and can be modified by anyone. Channels that integrate with eva are considered insecure and this is the only place where they can manage information in eva’s context.

Important:

Don’t store sensitive data in this context. This information is visible and modifiable by external agents, such as channels.

Visible context

The visible context is available for everyone, but channels are not able to change its content. For the conversation service, this is a read-only context. Information that might be used by the channels but that impact the conversation flow, service calls and overall functioning of the virtual agent must be added here.

Important:

Don’t store sensitive data in this context. This information is visible – but not modifiable – by external agents, such as the channels.

Hidden context

The most secure of the three. This context is only visible by eva’s platform and services called through webhooks.

Important:

If any sensitive data must be managed in eva, this is where it must be stored.

To get the maximum potential of eva contexts, use them in code and rule cells. Follow these sections:

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Last updated 2 years ago

Code Cells
Rule Cells