Element role

Queue/topic

Recorded core meaning: A delivery channel with explicit competing or fan-out consumption semantics.

c4.queue

Category
element
Core binding
EL16
Semantic family
interface
c4.queue base contour
Base contour or default endpoint marks from the new renderer. Instance metadata, compartments and optional artwork add context in the full profile.

Declare this role

element Example as c4.queue

Place the definition in a view whose profile permits this role. Reuse a shared definition with use Example.

Available in these profiles

Standard presentation values
{
  "colour": "#6D4C91",
  "fill": "#F3EFF8",
  "shape": "profile",
  "glyph": "object",
  "silhouette": "rect",
  "fallback": "queue",
  "text_label": "Queue/topic",
  "token_required_when_ambiguous": true,
  "defaults": {},
  "composition_defaults": {
    "sections": [
      "name",
      "type",
      "table",
      "notes"
    ],
    "order": [
      "table",
      "notes"
    ],
    "note_height": 180,
    "note_wrap": "auto"
  }
}
Registered metadata fields

x_activation, x_activity, x_affinity, x_art, x_bands, x_birth, x_boundary, x_boxed, x_c4tag, x_category, x_chen, x_cmmn, x_coil, x_constraint, x_contact, x_continuation, x_contract, x_custody, x_death, x_derive, x_diagram, x_epc, x_estimate, x_event, x_evidence, x_gate, x_gateway, x_hmscref, x_icon, x_idef0, x_instance, x_interfaces, x_invariant, x_io, x_jump, x_mindmap, x_objectified, x_pack, x_partition, x_petri, x_planning, x_protocol_role, x_rack, x_reconciliation, x_record, x_report, x_requirement, x_role, x_rule, x_sdl, x_sentry, x_sets, x_state, x_states, x_sticky, x_subdiagram, x_template, x_timeconstraint, x_ui, x_use, x_usecase, x_values, x_vsm, x_workflow, x_zone

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