---
schema_version: "1"
id: 2d5819d1145bda4e8fa51c7d545fe65fe3bc576f35e6c03c9be08495c2049aa2
title: Manually Add Values to a Custom Library
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/platform/264-0-0/data_mask_and_seed_add_to_custom_library.md
canonical_url: https://help.salesforce.com/s/articleView?id=platform.data_mask_and_seed_add_to_custom_library.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: 7f42a56d6658a515194ec18027abf160010e74f322608f7655078a431594d054
description: Use this procedure when you want to individually add a relatively small number of typical or standard values to a custom library. For example, for QA of sandbox masking you only need a library containing 15 female first names.
products:
  - Salesforce Platform
release: "264"
---
# Manually Add Values to a Custom Library

Use this procedure when you want to individually add a relatively small number of typical or standard values to a custom library. For example, for QA of sandbox masking you only need a library containing 15 female first names.

### Required Editions

<table class="slds-table slds-table_bordered slds-max-medium-table_stacked slds-m-bottom_small edition"><colgroup><col></colgroup><tbody><tr class=""><td class="slds-cell-wrap" style="vertical-align:top;">Available in: Lightning Experience</td></tr><tr class=""><td class="slds-cell-wrap" style="vertical-align:top;">Available in: <strong>Professional</strong>, <strong>Enterprise</strong>, <strong>Unlimited</strong>, and <strong>Developer</strong> Editions with the Salesforce Data Mask add-on license.</td></tr></tbody></table>

<table class="slds-table slds-table_bordered slds-max-medium-table_stacked slds-m-bottom_small permission">
        <colgroup>
          <col style="width:50%">
          <col style="width:50%">
        </colgroup>
        <thead class="slds-text-title_caps ">
          <tr class="">
            <th scope="colgroup" class="slds-cell-wrap" colspan="2" style="text-align:left;vertical-align:top;" id="d9512e74">User Permissions Needed</th>
          </tr>
        </thead>
        <tbody>
          <tr class="">
            <td data-label="User Permissions Needed" class="slds-cell-wrap" style="vertical-align:top;" headers="d9512e74 ">To manually add values to custom libraries:</td>

            <td class="slds-cell-wrap" style="vertical-align:top;" headers="d9512e74 ">
              <ul>
                <li>Data Mask And Seed User Permission Set License</li>

                <li>Data Mask And Seed User Permission Set</li>

              </ul>
            </td>

          </tr>
        </tbody>
      </table>

1. In the Manage Library area of the displayed custom library page, place your cursor in the Add Values Manually field.
2. Enter an info entry in the field and click **Add**. The info entry displays below the Add Values Manually field.
3. Repeat steps 1 - 2 to populate the custom library with multiple values. Add as many additional values as you need for your masking use case.
4. Click the **Save Library Settings** button to save the custom library content. The custom library page re-displays in view-only mode.
5. When the custom library page is in view-only mode, click the **Edit Library Settings** button to return the page to Edit mode.