Which fields can be external ID fields?
Salesforce allows you mark up to 3 fields as External IDs and these fields must be text, number or email field types. Values in these External ID field must also be unique and you can also determine whether or not value are case sensitive.
How many external ID fields can an object have?
25 External ID fields
You can designate up to 25 External ID fields per object. External ID fields must be Custom text, number or email fields.
What is an external ID in Salesforce which all field data types can be used as external IDs?
External ID in Salesforce is a custom field that has the “External ID” attribute checked meaning that it contains unique record identifiers from a system outside of Salesforce. When we select this option the import wizard will detect existing records in Salesforce that have the same External Identification.
What happens to unique fields with external ID?
Custom fields marked as unique also count against an objects limit of external id fields. Unique Fields + external Id fields <= 25. When a field is marked as external Id, the field will be automatically indexed, so selective filters on them should run quickly.
What does an external ID mean in Salesforce?
What is an External ID in Salesforce ? An external ID is a custom field that has the External ID attribute, meaning that it contains unique record identifiers from a system outside of Salesforce. What is the maximum number of external IDs an object may have in Salesforce? We can designate up to 25 External ID fields per object.
Is the source system ID an external ID?
The Source System Id that came with the package (FinServ__SourceSystemId__c) are set as an external id. Whereas the SourceSystemIdentifier under each of the standard financial services cloud object are not set as an external id. We ended up recreating the external ids.
How is an account associated with an external ID?
The Account sObject has a custom field marked as External ID. An opportunity record is associated to the account record through the custom External ID field. The example assumes that: Before the new opportunity is inserted, the account record is added to this opportunity as an sObject through the Opportunity.Account relationship field.