Inherit Tags from a parent to its children

[
  {
    "type": "source:targetprocess:EntityChanged",
    "entityTypes": [
      "UserStory",
      "Bug"
    ],
    "modifications": {
      "created": true,
      "deleted": false,
      "updated": [
        "Feature"
      ]
    }
  },
  {
    "or": [
      {
        "and": [
          {
            "value": null,
            "target": {
              "name": "Feature",
              "type": "field",
              "target": {
                "type": "pipelineBlockOutput"
              }
            },
            "operator": {
              "type": "exists"
            }
          },
          {
            "value": null,
            "target": {
              "name": "Tags",
              "type": "field",
              "target": {
                "name": "Feature",
                "type": "field",
                "target": {
                  "type": "pipelineBlockOutput"
                }
              }
            },
            "operator": {
              "type": "exists"
            }
          }
        ]
      }
    ],
    "type": "filter:Relational"
  },
  {
    "type": "action:JavaScript",
    "script": "const parent = \"Feature\";\nconst child = args.ResourceType;\n\nconst api = context.getService(\"targetprocess/api/v2\");\nconst parents = await api.queryAsync(parent, {\n  select: \"{tags:TagObjects.Select(Name)}\",\n  where: \"id=\" + args.Current[parent].Id\n});\nif (!parents || !parents.length) { return; }\n\nconst parentTags = parents[0].tags;\nconst childTags = args.Current.Tags ? args.Current.Tags.split(\",\") : [];\nconst tags = [...childTags , ...parentTags].join(\",\");\n\nreturn {\n  command: \"targetprocess:UpdateResource\",\n  payload: {\n    resourceType: child,\n    resourceId: args.ResourceId,\n    fields: {\n      Tags: tags\n    }\n  }\n};"
  }
]

[
  {
    "type": "source:targetprocess:EntityChanged",
    "entityTypes": [
      "Feature"
    ],
    "modifications": {
      "created": false,
      "deleted": false,
      "updated": [
        "Tags"
      ]
    }
  },
  {
    "or": [
      {
        "and": [
          {
            "value": null,
            "target": {
              "name": "Tags",
              "type": "field",
              "target": {
                "type": "pipelineBlockOutput"
              }
            },
            "operator": {
              "type": "exists"
            }
          }
        ]
      }
    ],
    "type": "filter:Relational"
  },
  {
    "type": "action:JavaScript",
    "script": "const child = \"UserStory\";\nconst parent = args.ResourceType;\n\nconst api = context.getService(\"targetprocess/api/v2\");\nconst children = await api.queryAsync(child, {\n  select: \"{id,tags:TagObjects.Select(Name)}\",\n  where: `${parent}.id=${args.ResourceId}`\n});\nconst parentTags = args.Current.Tags.split(\",\");\n\nreturn children.map(item => {\n  return {\n    command: \"targetprocess:UpdateResource\",\n    payload: {\n      resourceType: child,\n      resourceId: item.id,\n      fields: {\n        Tags: [...item.tags, ...parentTags].join(\",\")\n      }\n    }\n  };\n});"
  },
  {
    "type": "action:JavaScript",
    "script": "const child = \"Bug\";\nconst parent = args.ResourceType;\n\nconst api = context.getService(\"targetprocess/api/v2\");\nconst children = await api.queryAsync(child, {\n  select: \"{id,tags:TagObjects.Select(Name)}\",\n  where: `${parent}.id=${args.ResourceId}`\n});\nconst parentTags = args.Current.Tags.split(\",\");\n\nreturn children.map(item => {\n  return {\n    command: \"targetprocess:UpdateResource\",\n    payload: {\n      resourceType: child,\n      resourceId: item.id,\n      fields: {\n        Tags: [...item.tags, ...parentTags].join(\",\")\n      }\n    }\n  };\n});"
  }
]