Preview adding selected donors to an event invite list

curl --request POST \
  --url https://api.gratona.com/v1/admin/events/{eventId}/invitees/selection/preview \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "selection": {
    "donor_ids": [
      42
    ],
    "selection_mode": "selected_rows",
    "hysform_id": 42,
    "selected_count": 10,
    "query": "Jane",
    "filterGroups": [
      {}
    ],
    "savedFilterId": 42,
    "fields": [
      "<string>"
    ],
    "sortKey": "display_name",
    "sortOrder": "asc",
    "column_order": [
      "<string>"
    ],
    "keysArray": [
      "<string>"
    ],
    "filter": "false",
    "type": "donor",
    "endpoint": "donor",
    "Donor_Group": "all",
    "selectedTab": "all"
  },
  "owner_user_id": 42,
  "plan": {
    "id": 42,
    "revision": 1,
    "definition_hash": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
    "steps": [
      {
        "step_key": "personal_call",
        "enabled": true,
        "due_date": "2026-11-01",
        "assignee_strategy": "invitee_owner",
        "assignee_user_id": 42
      }
    ]
  }
}
'

import requests

url = "https://api.gratona.com/v1/admin/events/{eventId}/invitees/selection/preview"

payload = {
    "selection": {
        "donor_ids": [42],
        "selection_mode": "selected_rows",
        "hysform_id": 42,
        "selected_count": 10,
        "query": "Jane",
        "filterGroups": [{}],
        "savedFilterId": 42,
        "fields": ["<string>"],
        "sortKey": "display_name",
        "sortOrder": "asc",
        "column_order": ["<string>"],
        "keysArray": ["<string>"],
        "filter": "false",
        "type": "donor",
        "endpoint": "donor",
        "Donor_Group": "all",
        "selectedTab": "all"
    },
    "owner_user_id": 42,
    "plan": {
        "id": 42,
        "revision": 1,
        "definition_hash": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
        "steps": [
            {
                "step_key": "personal_call",
                "enabled": True,
                "due_date": "2026-11-01",
                "assignee_strategy": "invitee_owner",
                "assignee_user_id": 42
            }
        ]
    }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    selection: {
      donor_ids: [42],
      selection_mode: 'selected_rows',
      hysform_id: 42,
      selected_count: 10,
      query: 'Jane',
      filterGroups: [{}],
      savedFilterId: 42,
      fields: ['<string>'],
      sortKey: 'display_name',
      sortOrder: 'asc',
      column_order: ['<string>'],
      keysArray: ['<string>'],
      filter: 'false',
      type: 'donor',
      endpoint: 'donor',
      Donor_Group: 'all',
      selectedTab: 'all'
    },
    owner_user_id: 42,
    plan: {
      id: 42,
      revision: 1,
      definition_hash: 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa',
      steps: [
        {
          step_key: 'personal_call',
          enabled: true,
          due_date: '2026-11-01',
          assignee_strategy: 'invitee_owner',
          assignee_user_id: 42
        }
      ]
    }
  })
};

fetch('https://api.gratona.com/v1/admin/events/{eventId}/invitees/selection/preview', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.gratona.com/v1/admin/events/{eventId}/invitees/selection/preview",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'selection' => [
        'donor_ids' => [
                42
        ],
        'selection_mode' => 'selected_rows',
        'hysform_id' => 42,
        'selected_count' => 10,
        'query' => 'Jane',
        'filterGroups' => [
                [
                                
                ]
        ],
        'savedFilterId' => 42,
        'fields' => [
                '<string>'
        ],
        'sortKey' => 'display_name',
        'sortOrder' => 'asc',
        'column_order' => [
                '<string>'
        ],
        'keysArray' => [
                '<string>'
        ],
        'filter' => 'false',
        'type' => 'donor',
        'endpoint' => 'donor',
        'Donor_Group' => 'all',
        'selectedTab' => 'all'
    ],
    'owner_user_id' => 42,
    'plan' => [
        'id' => 42,
        'revision' => 1,
        'definition_hash' => 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa',
        'steps' => [
                [
                                'step_key' => 'personal_call',
                                'enabled' => true,
                                'due_date' => '2026-11-01',
                                'assignee_strategy' => 'invitee_owner',
                                'assignee_user_id' => 42
                ]
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.gratona.com/v1/admin/events/{eventId}/invitees/selection/preview"

	payload := strings.NewReader("{\n  \"selection\": {\n    \"donor_ids\": [\n      42\n    ],\n    \"selection_mode\": \"selected_rows\",\n    \"hysform_id\": 42,\n    \"selected_count\": 10,\n    \"query\": \"Jane\",\n    \"filterGroups\": [\n      {}\n    ],\n    \"savedFilterId\": 42,\n    \"fields\": [\n      \"<string>\"\n    ],\n    \"sortKey\": \"display_name\",\n    \"sortOrder\": \"asc\",\n    \"column_order\": [\n      \"<string>\"\n    ],\n    \"keysArray\": [\n      \"<string>\"\n    ],\n    \"filter\": \"false\",\n    \"type\": \"donor\",\n    \"endpoint\": \"donor\",\n    \"Donor_Group\": \"all\",\n    \"selectedTab\": \"all\"\n  },\n  \"owner_user_id\": 42,\n  \"plan\": {\n    \"id\": 42,\n    \"revision\": 1,\n    \"definition_hash\": \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\",\n    \"steps\": [\n      {\n        \"step_key\": \"personal_call\",\n        \"enabled\": true,\n        \"due_date\": \"2026-11-01\",\n        \"assignee_strategy\": \"invitee_owner\",\n        \"assignee_user_id\": 42\n      }\n    ]\n  }\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.gratona.com/v1/admin/events/{eventId}/invitees/selection/preview")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"selection\": {\n    \"donor_ids\": [\n      42\n    ],\n    \"selection_mode\": \"selected_rows\",\n    \"hysform_id\": 42,\n    \"selected_count\": 10,\n    \"query\": \"Jane\",\n    \"filterGroups\": [\n      {}\n    ],\n    \"savedFilterId\": 42,\n    \"fields\": [\n      \"<string>\"\n    ],\n    \"sortKey\": \"display_name\",\n    \"sortOrder\": \"asc\",\n    \"column_order\": [\n      \"<string>\"\n    ],\n    \"keysArray\": [\n      \"<string>\"\n    ],\n    \"filter\": \"false\",\n    \"type\": \"donor\",\n    \"endpoint\": \"donor\",\n    \"Donor_Group\": \"all\",\n    \"selectedTab\": \"all\"\n  },\n  \"owner_user_id\": 42,\n  \"plan\": {\n    \"id\": 42,\n    \"revision\": 1,\n    \"definition_hash\": \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\",\n    \"steps\": [\n      {\n        \"step_key\": \"personal_call\",\n        \"enabled\": true,\n        \"due_date\": \"2026-11-01\",\n        \"assignee_strategy\": \"invitee_owner\",\n        \"assignee_user_id\": 42\n      }\n    ]\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.gratona.com/v1/admin/events/{eventId}/invitees/selection/preview")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"selection\": {\n    \"donor_ids\": [\n      42\n    ],\n    \"selection_mode\": \"selected_rows\",\n    \"hysform_id\": 42,\n    \"selected_count\": 10,\n    \"query\": \"Jane\",\n    \"filterGroups\": [\n      {}\n    ],\n    \"savedFilterId\": 42,\n    \"fields\": [\n      \"<string>\"\n    ],\n    \"sortKey\": \"display_name\",\n    \"sortOrder\": \"asc\",\n    \"column_order\": [\n      \"<string>\"\n    ],\n    \"keysArray\": [\n      \"<string>\"\n    ],\n    \"filter\": \"false\",\n    \"type\": \"donor\",\n    \"endpoint\": \"donor\",\n    \"Donor_Group\": \"all\",\n    \"selectedTab\": \"all\"\n  },\n  \"owner_user_id\": 42,\n  \"plan\": {\n    \"id\": 42,\n    \"revision\": 1,\n    \"definition_hash\": \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\",\n    \"steps\": [\n      {\n        \"step_key\": \"personal_call\",\n        \"enabled\": true,\n        \"due_date\": \"2026-11-01\",\n        \"assignee_strategy\": \"invitee_owner\",\n        \"assignee_user_id\": 42\n      }\n    ]\n  }\n}"

response = http.request(request)
puts response.read_body

{
  "data": {
    "preview_token": "issued-preview-token",
    "preview_expires_at": "2026-10-20T12:00:00Z",
    "event": {
      "id": 42,
      "name": "Annual Gala"
    },
    "owner": {
      "id": 42,
      "name": "Alex Smith"
    },
    "selection_mode": "selected_rows",
    "counts": {
      "selected": 42,
      "new": 42,
      "already_active": 42,
      "reactivate": 42,
      "skipped": 42,
      "staff_tasks": 42
    },
    "samples": [
      {
        "id": 42,
        "display_name": "Jane Doe",
        "email": "j***@example.org"
      }
    ],
    "plan": {
      "id": 42,
      "name": "Personal invitation",
      "revision": 1,
      "definition_hash": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
      "steps": [
        {
          "step_key": "personal_call",
          "label": "Personal call",
          "task_title_template": "Call {donor_name} about {event_name}",
          "invitation_method": "phone_call",
          "days_before_event": 28,
          "due_date": "2026-11-01",
          "assignee_strategy": "invitee_owner",
          "resolved_assignee_user_id": 42,
          "assignee_user_id": 42,
          "enabled": false
        }
      ],
      "enabled_step_count": 42,
      "new_task_count": 42
    },
    "communications_sent": false,
    "notice": "No messages will be sent."
  }
}

{
  "message": "Something went wrong. Please try again.",
  "status": "error",
  "error": "invalid_request",
  "code": "DONOR_NOT_FOUND"
}

{
  "message": "Something went wrong. Please try again.",
  "status": "error",
  "error": "invalid_request",
  "code": "DONOR_NOT_FOUND"
}

{
  "message": "Not Found",
  "status": "error"
}

{
  "message": "Version, idempotency, preview or archived-event conflict.",
  "error_code": "event_invitee_conflict",
  "details": {
    "current_version": 42,
    "current_lock_version": 42,
    "current_revision": 42,
    "current_definition_hash": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
  }
}

{
  "errors": {},
  "status": "error",
  "message": "The given data was invalid."
}