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To test your deployment results, verify that your callback handles expected and unexpected results. Your callback is normally called by Salesforce as part of the asynchronous deployment process. So to test your callback outside of the deployment process, create tests that use your callback class directly.

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Multi-Org is an Enterprise 2.0 account configuration. This configuration allows individual Marketing Cloud business units to connect with a single Salesforce org, independent of the parent account or other business units.

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In Setup, click Business Units.
Select the business unit to create the filter for.
Select Define Subscriber Filter.
Complete the information and add conditions and groupings.
Save.

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Evaluate a set of conditions, and route users through the flow based on the outcomes of those conditions. This element performs the equivalent of an if-then statement.

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A filter, defined by the admin for each business unit, controls access to the subscribers for child accounts. The filter selects subscribers for a business unit based on values in the subscriber attributes.

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Communities are branded spaces for your employees, customers, and partners to connect. You can customize and create communities to meet your business needs, then transition seamlessly between them.

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Batch Apex is used to run large jobs (think thousands or millions of records!) that would exceed normal processing limits. Using Batch Apex, you can process records asynchronously in batches.

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Google Tag Manager helps make tag management simple, easy and reliable by allowing marketers and webmasters to deploy website tags all in one place.

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You can test Google Tag Manager in one of the following way:
Open Google Tag Manager and click Preview in the top right corner.
Next navigate to your website. You may need refresh the browser. The debug console will open at the open of the browser window.
Evaluate what tag are being fired on the page and which ones are not fired.

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A collection of tags, triggers, variables, and related configurations installed on a given website or mobile app is called a container. A Tag Manager container can replace all other manually-coded tags on a site or app, including tags from Google Ads, Google Analytics, Floodlight, and 3rd party tags.

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Junction objects are used for creating many-to-many relationships in Salesforce. Salesforce by default supports one-to-many relationships.

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Tools include Workflow Rules, Process Builder, and Flow and Apex.

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The Flow Builder is an User Interface in which you can add new elements, like Screen and Create Records, to your flow. From the Manager tab, create resources, such as variables, stages, and choices, to use in your flow.

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External data is important because it comes from the market, including customers and competitors. It's things like statistics from surveys, questionnaires, research, and customer feedback.

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force:lightningQuickAction allow the component to be used as a custom action in Lightning Experience or the Salesforce mobile app while force:lightningQuickActionWithoutHeader allow the component to be used as a custom action in Lightning Experience or the Salesforce mobile app.

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init is a predefined event sent to every component. After the component is initialized, the doInit action is called in the component's controller. In this sample, and the controller action sets an attribute value, but it could do something more interesting, such as firing an event.

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We have the following Apex notations in Salesforce:
@AuraEnabled
@Deprecated
@Future
@InvocableMethod
@InvocableVariable
@IsTest
@JsonAccess
@NamespaceAccessible
@ReadOnly
@RemoteAction
@SuppressWarnings
@TestSetup
@TestVisible

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The @isTest annotation can take multiple modifiers within parentheses and separated by blanks.

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Schema files specify the file structure expected by B2C Commerce import and export. B2C Commerce only accepts XML import files formatted by these schemas. The schemas also document the required data attributes. Imported data must match the schema, or it won't import.

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Apply the logic of a data filter you select to create a group or data extension in Automation Studio. Filtering subscribers or contacts makes targeting specific subscribers or contacts based on their attributes and other conditions easier.

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Retrieve data extension or data view information using Automation Studio's SQL Query activity, then store it in a data extension. A query is an activity that retrieves data extension or data view information matching your criteria, then includes that information in a data extension.

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Returns a String whose Unicode characters are escaped to a Unicode escape sequence.

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To configure Heroku Connect, you authenticate to a Salesforce instance using OAuth and allow Heroku Connect to make API calls on your behalf. Heroku Connect uses this API connection to synchronize the data between Salesforce and the Heroku Postgres database.

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When using Heroku Connect for data replication, Salesforce owns the data schema. To add fields to a mapping, you customize the object in Salesforce and then configure the Heroku Connect mapping. You can map multiple objects.

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External objects are similar to custom objects, except that they map to data that's stored outside your Salesforce org. External objects enable your users and the Lightning Platform to search and interact with the external data. Note. Each org can have up to 100 external objects.