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Custom Metadata in Salesforce

Discover how custom metadata in Salesforce simplifies configuration, improves scalability, and streamlines deployments. Learn key benefits and use cases, and set up best practices.

Custom Metadata in Salesforce

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Salesforce is widely known for its powerful customization capabilities. Among its many tools, Custom Metadata in Salesforce is one of the most flexible and valuable features for administrators and developers. Whether building scalable applications or managing configurations across different environments, custom metadata types can significantly improve efficiency, consistency, and maintainability.

Salesforce is already the go-to platform for managing customer relationships and automating business processes. However, many users are unaware that, beyond the standard features, Salesforce includes advanced configuration tools like custom metadata that let you go even further.

In this blog post, you'll learn what custom metadata is, how it compares to custom settings, why it matters, how to use it effectively, and practical use cases to help you apply it in real-world projects.

What Is Custom Metadata in Salesforce?

Custom metadata in Salesforce allows you to define application-level configurations that are reusable and deployable across environments. While it behaves similarly to custom objects in terms of structure, custom metadata is used for storing configuration data, not business data like Leads or Accounts.

Key Characteristics:

  • Purpose: Store setup and configuration information.
  • Deployable: Easily move records across orgs.
  • Version-Controlled: Package and track in source control.
  • Access: Use in Apex, SOQL, Flows, and validation rules.
  • Secure: Custom metadata records are public and do not require sharing rules.

In short, custom metadata empowers admins and developers to build metadata-driven applications. By allowing logic and settings to live outside the code, applications are easier to manage and scale.

Custom Metadata vs. Custom Settings

A common question is: what's the difference between custom metadata and custom settings?

Custom Settings:

  • Meant for app-specific configurations
  • Records are org-specific and cannot be deployed
  • No version control support
  • Limited use in formulas or automation

Custom Metadata:

  • Built for reusable and deployable configurations
  • Records are metadata and can be moved across orgs
  • Fully version-controllable
  • It can be used in formulas, validation rules, Apex, and Flows

Why Use Custom Metadata?

Custom metadata matters because it gives you flexibility without complexity. Here are the key benefits:

1. Reusability

Define your configuration once and reuse it across multiple orgs or apps.

2. Seamless Deployment

Deploy your settings like you deploy Apex classes or objects using change sets, Salesforce CLI, or the Metadata API.

3. Avoid Governor Limits

Unlike custom objects, queries on custom metadata do not count against SOQL governor limits.

4. Centralized Control

Maintain configurations in one place. Changes apply everywhere, avoiding inconsistencies and manual updates.

5. Better Performance

Custom metadata is loaded at compile time, improving runtime performance.

Practical Use Cases for Custom Metadata

Here are some powerful ways Salesforce teams use custom metadata:

1. Feature Toggles

Turn features on or off dynamically without changing code.

Example: Toggle on/off beta features across environments using a simple flag in metadata.

2. Validation Rule Filters

Dynamically activate or deactivate rules using metadata logic.

3. API Endpoint Storage

Store and manage third-party integration URLs, keys, and headers.

Example: Store production vs. sandbox API endpoints in records and reference them in Apex logic.

4. Tax and Rate Configurations

Manage business logic inputs across regions or business units.

5. Guided Selling

Guide sales reps through the pipeline with rules defined in metadata.

Example: Show suggestions or next best actions based on the opportunity stage.

6. Dynamic Approval Paths

Change approval flows based on account type or region using metadata-controlled logic.

7. UI Personalization

Adjust dashboards, colour schemes, or field visibility based on user roles.

How to Create Custom Metadata in Salesforce

Step 1: Create a Custom Metadata Type

  • Go to Setup → Custom Metadata Types
  • Click New Custom Metadata Type
  • Add a Label, Object Name, and Description

Step 2: Add Custom Fields

  • Add fields such as Text, Picklist, or Checkbox to define the structure.

Step 3: Create Metadata Records

  • Click Manage Records under your metadata type
  • Click New and enter values for each field

Step 4: Access Metadata in Apex

apex

List configs = [SELECT MasterLabel, Feature_Enabled__c FROM My_Metadata__mdt];
for (My_Metadata__mdt config : configs) {
if (config.Feature_Enabled__c) {
// Execute logic
}
}

Step 5: Deploy Across Orgs

  • Use Change Sets, Salesforce DX, or Metadata API to move metadata between environments.

Best Practices for Using Custom Metadata

  • Avoid hardcoding values. Store them in metadata instead
  • Use clear naming conventions for types and fields
  • Group-related settings under organized metadata types
  • Document your metadata structure for easy maintenance
  • Validate data using rules to prevent incorrect configurations
  • Use namespaces if publishing to AppExchange

Common Mistakes to Avoid

  • Using metadata for frequently changing records, use custom objects instead
  • Forgetting to deploy metadata records with types
  • Overcomplicating simple logic that doesn't require metadata
  • Confusing metadata with custom settings or objects

Advanced Tips and Benefits

Streamlined Maintenance

Modify the configuration in one place and have it updated across your app. You can no longer edit flows, classes, or processes individually.

Faster Development & Deployment

Teams working across dev, staging, and production can maintain consistency and reduce deployment errors.

Greater Agility

Admins can update settings without involving developers, which is ideal for business-driven teams.

How Custom Metadata Improves Scalability

For large organizations, scalability is critical. Custom metadata types are ideal for:

  • Enterprise-level configuration management
  • Multi-regional logic customization
  • Long-term maintainability in large Salesforce orgs
  • Managing integrations with multiple third-party systems

Custom metadata in Salesforce allows you to efficiently centralize, scale, and deploy configurations. It's flexible enough to meet complex use cases and easy for non-developers.

By replacing hardcoded logic with metadata records, your org becomes easier to maintain, faster to update, and more resilient to change.

Conclusion

Salesforce's custom metadata empowers developers to build configurable, scalable, and deployable applications. Mastering this powerful tool can optimize your Salesforce environment and drive business success. If you're still using custom settings or static logic for your configurations, now is the time to shift to metadata-driven development. Custom metadata will help your team move faster, reduce bugs, and future-proof your Salesforce setup.