bpmn.js设置扩展属性

//自定义扩展项
let varDescProperty = moddle.create("camunda:Property",{
  name: "conditionExpressionVarDesc",
  value: this.conditionForm.conditionExpressionVarDesc
});

let varNameProperty = moddle.create("camunda:Property",{
  name: "conditionExpressionVarName",
  value: this.conditionForm.conditionExpressionVarName
});

let operatorProperty = moddle.create("camunda:Property",{
  name: "conditionExpressionOperator",
  value: this.conditionForm.conditionExpressionOperator
});

let comparisonValueProperty = moddle.create("camunda:Property",{
  name: "conditionExpressionComparisonValue",
  value: this.conditionForm.conditionExpressionComparisonValue
});

let camundaProperties = moddle.create("camunda:Properties",{
  values: [varDescProperty,varNameProperty,operatorProperty,comparisonValueProperty]
});

let extensionElementsVlue = moddle.create('bpmn:ExtensionElements',{values: [camundaProperties]});

modeling.updateProperties(this.selectedSequenceFlowElement, {
  extensionElements: extensionElementsVlue,
});