History object

The History object keeps track of activities related to a record. In the UI, history is shown below the record details.

History Fields

Label	Field name	Notes
Category	category	Identifies the type of activity. For example: 2 - Updated this case* 4 - Closed this case 11 - Completed this task 25 - Changed field value* (only applies to Audited Fields 29 - Added a note. 61 - Sent mail *Category 25 is used when a case field is modified. Category 2 does not appear to be used. For a complete list, see > Customization > Global Picklists > History Category'
Description	description	Varies, depending on the activity category. For category 25 (audited field modified), the structure is: {#structure-identifier^field-label^old-value^new-value^00005} Example: {#field_audit.recordname_modified_old_to_new ^#fieldlabel.c3a93f70aa004de6aeb5f9073eb1f759.subject ^Original case title ^Revised case title ^000005} (If multiple audited fields were modified during a record update, there is one history entry per field.)
Related To	related_to	{object_id}:{record_id}
History Created By	history_created_by	For an incoming email, the history record's created_by field has the system ID. This field records the ID of the sender, if the from address is recognized.
Submitter Photo ID	submitter_photo_id	The reference ID for the user photo that appears to the left of the activity note in the history.
Enumerated Field Tracker	enumerated_field_tracker	Internal. Tracks changes in case status, for use when calculating the display values for the Case Analytics dashboard.
Entity Id	entity_id	Internal. Identifies the source of an activity record that originated outside the system.
Resolved	resolved	not used
Visible to Customer	visible_to_customer	This flag is true for activity notes that are shown in the service portal, where a portal user (as distinct from an internal user) can see them.
Helpful Count	helpful_count	These counts are used for comments on articles posted in the knowledge base, where users can vote them up or down.
Unhelpful Count	unhelpful_count
Hours Spent	hours_spent	not used
From User ID	from_user_id	Sender's ID, for outgoing messages
Original Message	original_email_message	Incoming email fields.
Sender Name	from_name
Attachments	attachments
Email Headers	email_headers

Standard Fields

These fields are predefined in all Objects. They:

• Created automatically when an object is created.
• Populated automatically when a record is added or updated in the GUI.
• Required when a record is added or updated using an API.

Label	Field Name	REST Search Name	Display Type	Description
Object ID	object_id	object_id	Number	Unique identifier for the object. (This field is always present, but is only displayed when examining Object metadata (the data that defines the object).
Record ID	id	id	Number	Unique record identifier
Owner	owner_id	OWNERID	String	Unique identifier of the record's owner
Created By	created_id	CREATEDID	String	Unique identifier of the user who created the record
Date Created	date_created	DATECREATED	String	Date the record was created: UTC Format in the REST API. User's Date Format in the GUI and the Java API.
Modified By	modified_id	MODIFIEDID	String	Unique identifier of the user who last modified the record
Date Modified	date_modified	DATEMODIFIED	String	Date the record was last modified: UTC Format in the REST API. User's Date Format in the GUI and the Java API.

See also: Standard Parameters