FeedPromptItem

Typed discovery items (Post/Event/Poll) surfaced by featured/top_posts/upcoming_events/nearby_events prompts. Empty for other prompt types.

Web display size ('small' or 'large') for profile_builder prompts; null otherwise

Hashtags surfaced by the highlighted-hashtags rail. Empty for prompts whose items are not hashtags.

ID of the object.

Specific prompt item (avatar, bio, introduction, etc.)

Presentation hint: render the first discovery item as a full-width hero row above the remaining items on narrow viewports. True for featured/welcome prompts only.

Prompt category: discovery, profile_builder, advertisement, suggested_members, highlighted_hashtags

Members surfaced by suggested_members prompts. Empty for other prompt types.

Optional description text

Display title

Internal categorization (featured, welcome, top_posts, upcoming_events, nearby_events, highlighted_hashtags)

Welcome-checklist entries (posts, spaces, onboarding pointers) with the viewer's completion state. Populated for the welcome discovery prompt; empty otherwise.