Element role

Topic / retained event channel

Recorded core meaning: A named event channel with partitioning, retention and access metadata.

topic

Category: element
Core binding: EL16
Semantic family: interface

Declare this role

element Example as topic

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

Available in these profiles

c4.dynamic@1canvas.bmc@1canvas.empathy@1canvas.lean@1canvas.pest@1canvas.pestle@1canvas.porter5@1canvas.scorecard@1chart.arc@1chart.basic@1chart.beeswarm@1chart.boxplot@1chart.calendar@1chart.candlestick@1chart.circlepack@1chart.density@1chart.densityheatmap@1chart.dotplot@1chart.edgebundle@1chart.force@1chart.funnel@1chart.gauge@1chart.heatmap@1chart.histogram@1chart.packedbubble@1chart.parallelcoords@1chart.qq@1chart.quality@1chart.quantiledot@1chart.radar@1chart.radialtree@1chart.sankey@1chart.sunburst@1chart.tidytree@1chart.topk@1chart.treemap@1chart.violin@1chart.wordcloud@1ddn@1erd.crowfoot@1geo.choropleth@1geo.outline@1geo.symbols@1matrix.ansoff@1matrix.bcg@1matrix.crud@1matrix.heatmap@1matrix.raci@1matrix.relations@1matrix.storymap@1matrix.tows@1msc.basic@1panels.basic@1panels.composed@1panels.journey@1panels.pyramid@1panels.venn@1sysml.sequence@1table.records@1timeline.basic@1uml.communication@1uml.communication@2uml.object@1uml.object@2uml.sequence@1uml.sequence@2uml.timing@1uml.timing@2

Standard presentation values

{
  "colour": "#6D4C91",
  "fill": "#F3EFF8",
  "shape": "card",
  "glyph": "topic",
  "text_label": "Topic / retained event channel",
  "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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