# 4 Key Digital Functionalities The Messaging Building Block is a standalone messaging gateway/client/proxy (including all possible modalities: email, SMS, etc.) but can also facilitate connections with existing messaging service providers by enabling safe communication. The communication in this Building Block can be categorized in two different directions as follows: ## 4.1 Government to person (G2P) > In scope of v1 * informing End clients about their registration; * reminding and requesting End clients' confirmation for appointment booking or other events; * getting confirmation about government services and interactions. > In scope of future releases * delivering information at scale to End clients; * alerting End clients in emergency contexts. ## 4.2 Person to Government (P2G) > In scope of v1 * confirm Client registration for a service; * providing data to the government/service. > In scope of future releases * asking for information about government services. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://messaging.govstack.global/4-key-digital-functionalities.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.