When Salesforce Sales Engagement is enabled and configured, specific objects and fields become available or are populated.
ActionCadence object: An ActionCadence record is created when you use the Sales Engagement app to create a cadence.
Use the following sample Apex code to find or check whether the Salesforce Sales Engagement feature is enabled or not using Salesforce Apex.
Sample Apex Code:
Map < String, Schema.SObjectType > globalDescription = Schema.getGlobalDescribe();
if ( globalDescription.containsKey( 'ActionCadence' ) ) {
System.debug(
'Sales Engagement is enabled.'
);
} else {
System.debug(
'Sales Engagement is not enabled.'
);
}