# Siri Request Flow Explained with ADIN App Intent

> Published on ADIN (https://adin.chat/s/siri-request-flow-adin-app-intent-0i58)
> Type: Diagram
> Date: 2026-07-14
> Description: Explore a detailed sequence diagram showing Siri's end-to-end request process using ADIN as the App Intent framework.

Mermaid diagram:
sequenceDiagram
    actor User
    participant Siri
    participant SemanticIndex as Semantic Index
    participant AppIntents as App Intents Framework
    participant ADIN_Intent as ADIN AppIntent
    participant ADIN_Engine as ADIN Engine
    participant FM as Foundation Models Framework
    participant AppleModel as Apple Foundation Model
    participant ADIN_Memory as ADIN Memory / Knowledge

    Note over User,ADIN_Memory: SCENARIO A — "Research Apple Intelligence for me in ADIN"

    User->>Siri: "Research Apple Intelligence for me in ADIN"
    Siri->>SemanticIndex: Query — find ADINResearchEntity schema + ADIN app
    SemanticIndex-->>Siri: ADIN registered, ADINResearchIntent available
    Siri->>AppIntents: Resolve intent: ADINResearchIntent
    AppIntents->>ADIN_Intent: perform() called\ntopic = "Apple Intelligence"\ndepth = .standard
    ADIN_Intent->>ADIN_Engine: Delegate to researcher agent\nsearch_web + map_analyze
    ADIN_Engine->>FM: Model calls for synthesis
    FM->>AppleModel: On-device or PCC reasoning
    AppleModel-->>FM: Synthesized result
    FM-->>ADIN_Engine: Research output
    ADIN_Engine-->>ADIN_Intent: ADINResearchEntity created
    ADIN_Intent->>ADIN_Memory: indexAppEntities — register new entity
    ADIN_Memory-->>SemanticIndex: Entity now searchable system-wide
    ADIN_Intent-->>AppIntents: Return ADINResearchEntity
    AppIntents-->>Siri: Result ready
    Siri-->>User: "Done. I found 12 sources on Apple Intelligence. Want me to publish it?"

    Note over User,ADIN_Memory: SCENARIO B — "Publish it" while viewing article in ADIN

    User->>Siri: "Publish it"
    Siri->>AppIntents: On-screen entity annotation present?\nEntity: ADINArticleEntity #40;current view#41;
    AppIntents-->>Siri: Yes — ADINArticleEntity annotated on screen
    Siri->>AppIntents: Resolve intent: ADINPublishArticleIntent\narticle = on-screen entity
    AppIntents->>ADIN_Intent: perform() — post_to_network
    ADIN_Intent->>ADIN_Engine: post_to_network#40;conf