Observe the TimeLineDD Required File Prompts

A Display key is required on the Project/task type file .  If you choose to limit the items graphed to a parent, then You will need to select the GraphLimit Id Key and Field.  This ID can be used to limit the Projects/tasks shown by Selecting a variable lower down in the prompts(Parent).  A Graph Limit Id Field is the field in the key that must match the variable you use to limit the Rows of Projects/Tasks displayed From another file, such as employees, Dept's, etc.  A Start Date and End Date and Display Name are required Fields for the Graph Template.

Graph File

ByGraphOrder    Key  -- Order of Display down Left Column

ByGraphLimitId     Key  --  If you want to limit to active Parent(Also controls order down left column)

GraphLimitId Field  ---   Can be used to limit to active Parent, etc.

StartDate

EndDate

DisplayField  ---  Shows up in the Left Column for the Titles of the Rows