feat： 新增常量PROCESS_INSTANCE_VARIABLE_APPROVE_USER_SELECT_ASSIGNEES

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/enums/BpmnVariableConstants.java

@@ -29,6 +29,12 @@ public class BpmnVariableConstants {
      * @see ProcessInstance#getProcessVariables()
      */
     public static final String PROCESS_INSTANCE_VARIABLE_START_USER_SELECT_ASSIGNEES = "PROCESS_START_USER_SELECT_ASSIGNEES";
+    /**
+     * 流程实例的变量 - 审批人选择的审批人 Map
+     *
+     * @see ProcessInstance#getProcessVariables()
+     */
+    public static final String PROCESS_INSTANCE_VARIABLE_APPROVE_USER_SELECT_ASSIGNEES = "PROCESS_APPROVE_USER_SELECT_ASSIGNEES";
     /**
      * 流程实例的变量 - 发起用户 ID
      *