List all validation rules' assignments or filter the results using the related object ID or the validation rule ID query parameters.
## How to retrieve specific validation rule assignments(s)
### Related object ID
To find an assignment for a particular resource, you can use the ID of the object to which the validation rule was assigned. This could be, for example, an ID of a: voucher, campaign, distribution, reward assignment, earning rule, promotion tier.
<!--
title: "Request"
lineNumbers: true
-->
```curl
curl -X **GET** \
-H "X-App-Id: c70a6f00-cf91-4756-9df5-47628850002b" \
-H "X-App-Token: 3266b9f8-e246-4f79-bdf0-833929b1380c" \
-H "Content-Type: application/json" \
https://api.voucherify.io/v1/validation-rules-assignments?related_object_id=promo_kJliy076IuJYtuYWSHE9fSuT
```
<!--
title: "Response"
lineNumbers: true
-->
```json
{
"object": "list",
"data_ref": "data",
"data": [
{
"id": "asgm_tZaqxeO8gP4q91jG",
"rule_id": "val_WB6ETAiFztw5",
"related_object_id": "promo_kJliy076IuJYtuYWSHE9fSuT",
"related_object_type": "promotion_tier",
"created_at": "2022-08-10T10:30:39.986Z",
"object": "validation_rules_assignment"
}
],
"total": 1
}
```
### Validation rule ID
You can use the validation rule ID to find assignment(s) for a specific validation rule.
<!--
title: "Request"
lineNumbers: true
-->
```curl
curl -X **GET** \
-H "X-App-Id: c70a6f00-cf91-4756-9df5-47628850002b" \
-H "X-App-Token: 3266b9f8-e246-4f79-bdf0-833929b1380c" \
-H "Content-Type: application/json" \
https://api.voucherify.io/v1/validation-rules-assignments?rule=val_ZEZmA9oit8aU
```
<!--
title: "Response"
lineNumbers: true
-->
```json
{
"object": "list",
"data_ref": "data",
"data": [
{
"id": "asgm_vef0G6d9Al0rABxq",
"rule_id": "val_ZEZmA9oit8aU",
"related_object_id": "camp_rRsfatlwN7unSeUIJDCYedal",
"related_object_type": "campaign",
"created_at": "2022-06-29T11:43:52.953Z",
"object": "validation_rules_assignment"
},
{
"id": "asgm_sFV4wEFvldwIvgfb",
"rule_id": "val_ZEZmA9oit8aU",
"related_object_id": "distr_9QKI02wqgjWyvZXeQkFEPmkkYe",
"related_object_type": "distribution",
"created_at": "2022-06-29T11:41:07.680Z",
"object": "validation_rules_assignment"
},
{
"id": "asgm_69Qifyv6UZynFIIQ",
"rule_id": "val_ZEZmA9oit8aU",
"related_object_id": "promo_g83qUzYZpfX0OMAFOVoQuOYG",
"related_object_type": "promotion_tier",
"created_at": "2022-06-29T11:29:41.906Z",
"object": "validation_rules_assignment"
}
],
"total": 3
}
```