Here's the full list of available fields for Graph Import.
Using Graph ID you can update any of these fields.
For more information on Graph Import, see Method 2 - Import multiple graphs
Graph Import Fields
Graph ID
Graph Name
Temporary ID
Member
Permission Level
Description
Display Size in Groups
Frequency
View as Frequency
Symbol
Symbol Position
Inverted
Groups
Post ID
Concatenated Sub Graphs
Custom Attributes
Personal Graph Groups
Teams
Permissions
Hide Graph
Archived
Show Average Line
Show Cumulative Line
Show Values
Show as Average
Show Incomplete Values Indicator
Aggregate Method
Allowed Overdue Days
Viability Line
Missing Entries
Decimal Places
Minimum Value
Maximum Value
Days to Collect
Formula
Parent Graph
Parent Graph Operator
Quota Duration
Quota Start Date
Quota End Date
Quota Value
Quota Frequency
Remove Responsible
Target Duration
Target Start Date
Target End Date
Target Start Value
Target End Value
Target Frequency
Delete (see below)
The Delete field is used to Mass Delete Graphs via Import.