---
title: "CustomerMergePreviewBlockingFields"
description: >
  Possible truncated fields for customer merge preview. Unless edited, these fields will be automatically truncated during customer merge, retaining restricted characters
doc_type: graphql
doc_category: adminGraphQL
doc_version: v20270301
source_url:
  html: 'https://developer.shopline.com/docs/admin-graph-ql-api/customers/objects/customer-merge-preview-blocking-fields'
  md: 'https://developer.shopline.com/docs/admin-graph-ql-api/customers/objects/customer-merge-preview-blocking-fields.md'
---
# CustomerMergePreviewBlockingFields

Possible truncated fields for customer merge preview. Unless edited, these fields will be automatically truncated during customer merge, retaining restricted characters

- **API Version:** v20270301
- **API Type:** Admin
- **API Protocol:** GraphQL
- **Operation Type:** Object

## Type Signature

`CustomerMergePreviewBlockingFields`

## Fields

* `note`

  [String](https://developer.shopline.com/docs/admin-graph-ql-api/common/scalars/string.md)

  Merge comments generated by customer merge. Merge comments with a limit of over 1000 characters, exceeding this limit will result in truncation of characters

* `tags`

  [[String]](https://developer.shopline.com/docs/admin-graph-ql-api/common/scalars/string.md)

  Merge markers generated by customer merge. If the merged tags exceed the 100 limit, the tags will be automatically truncated after merging, and only the 100 limit will be retained

## Schema Definition

```graphql
type CustomerMergePreviewBlockingFields { 
	note: String
	tags: [String] 
}
```

## Field from

* [CustomerMergePreview](https://developer.shopline.com/docs/admin-graph-ql-api/customers/objects/customer-merge-preview.md).blockingFields

  Possible truncated fields for customer merge preview. Unless edited, these fields will be automatically truncated during customer merge, retaining restricted characters

## Error Handling

For detailed information about common codes, see [Status and error codes](https://developer.shopline.com/docs/apps/api-instructions-for-use/graph-ql-admin-api/overview.md#status-and-error-codes).