Marketo Connector Guide > Understanding the property File > Guidelines to use Data Filters
  

Guidelines to use Data Filters

Objects
Guidelines
LEAD
When you perform single lead fetch, use ID/email/cookie filters.
And for Multiple lead fetch, use LastUpdatedAt filter.
Activity
For Lead Activity, select (ID or Email or Cookie) and (ActivityType or ExcludeActivityType).
For Lead Changes, select OldestCreatedDate and (ActivityType or ExcludeActivityType).