Custom Metadata Types
Custom metadata types enable you to create your own setup objects whose
records are metadata rather than data. These are typically used to
define application configurations that need to be migrated from one
environment to another, or packaged and installed.
Rather than building apps from data records in custom objects or custom settings, you can create custom metadata types and add metadata records, with all the manageability that comes with metadata: package, deploy, and upgrade. Querying custom metadata records doesn't count against SOQL limits.
Custom Metadata Types are similar to Custom Settings.
Similar to a custom object or custom setting, a custom metadata type has a list of custom fields that represent aspects of the metadata. After you create a public custom metadata type, you or others can declaratively create custom metadata records that are defined by that type. When you package a public custom metadata type, customers who install the package can add their own records to the metadata type. Your reusable functionality reads your custom metadata and uses it to produce customized application behavior. Custom metadata rows resemble custom object rows in structure. You create, edit, and delete custom metadata rows in the Metadata API or in Setup. Because the records are metadata, you can migrate them using packages or Metadata API tools. Custom metadata records are read-only in Apex and in the Enterprise and Partner APIs. With custom metadata types, you can issue unlimited Salesforce Object Query Language(SOQL) queries for each Apex transaction.
Rather than building apps from data records in custom objects or custom settings, you can create custom metadata types and add metadata records, with all the manageability that comes with metadata: package, deploy, and upgrade. Querying custom metadata records doesn't count against SOQL limits.
Custom Metadata Types are similar to Custom Settings.
Similar to a custom object or custom setting, a custom metadata type has a list of custom fields that represent aspects of the metadata. After you create a public custom metadata type, you or others can declaratively create custom metadata records that are defined by that type. When you package a public custom metadata type, customers who install the package can add their own records to the metadata type. Your reusable functionality reads your custom metadata and uses it to produce customized application behavior. Custom metadata rows resemble custom object rows in structure. You create, edit, and delete custom metadata rows in the Metadata API or in Setup. Because the records are metadata, you can migrate them using packages or Metadata API tools. Custom metadata records are read-only in Apex and in the Enterprise and Partner APIs. With custom metadata types, you can issue unlimited Salesforce Object Query Language(SOQL) queries for each Apex transaction.
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