curl --request GET \
  --url https://api.hubapi.com/integrators/timeline/v3/{appId}/event-templates

{
  "results": [
    {
      "id": "15758",
      "objectType": "companies",
      "name": "company test",
      "headerTemplate": "abcde",
      "tokens": []
    },
    {
      "id": "1000151",
      "objectType": "deals",
      "createdAt": "2020-02-12T20:58:26Z",
      "updatedAt": "2020-02-12T20:58:26Z",
      "name": "deal test",
      "headerTemplate": "deal",
      "detailTemplate": "Deal occurred at {{#formatDate timestamp}}{{/formatDate}}\n\ntest",
      "tokens": [
        {
          "name": "test",
          "type": "string",
          "createdAt": "2020-02-12T20:58:26Z",
          "updatedAt": "2020-02-12T20:58:26Z",
          "label": "test",
          "objectPropertyName": "test",
          "options": []
        }
      ]
    },
    {
      "id": "1001298",
      "objectType": "contacts",
      "createdAt": "2020-02-12T20:58:26Z",
      "updatedAt": "2020-02-12T20:58:26Z",
      "name": "PetSpot Registration",
      "headerTemplate": "Registered for [{{petName}}](https://my.petspot.com/pets/{{petName}})",
      "detailTemplate": "Registration occurred at {{#formatDate timestamp}}{{/formatDate}}\n\n#### Questions\n{{#each extraData.questions}}\n  **{{question}}**: {{answer}}\n{{/each}}\n\nEDIT",
      "tokens": [
        {
          "name": "petAge",
          "type": "number",
          "createdAt": "2020-02-12T20:58:26Z",
          "updatedAt": "2020-02-12T20:58:26Z",
          "label": "Pet Age",
          "options": []
        },
        {
          "name": "petColor",
          "type": "enumeration",
          "createdAt": "2020-02-12T20:58:26Z",
          "updatedAt": "2020-02-12T20:58:26Z",
          "label": "Pet Color",
          "options": [
            {
              "value": "black",
              "label": "Black"
            },
            {
              "value": "brown",
              "label": "Brown"
            },
            {
              "value": "other",
              "label": "Other"
            },
            {
              "value": "white",
              "label": "White"
            },
            {
              "value": "yellow",
              "label": "Yellow"
            }
          ]
        },
        {
          "name": "petName",
          "type": "string",
          "createdAt": "2020-02-12T20:58:26Z",
          "updatedAt": "2020-02-12T20:58:26Z",
          "label": "Pet Name",
          "options": []
        }
      ]
    }
  ]
}