name	type	required	Description
_id	string	YES	id of process
workflow_name	string	NO	workflow name
workflow_version	number	NO	default is 1
current_state	string	YES	current state of process
field_values	WorkflowProcessField[]	NO	process fields that filled
history	WorkflowProcessHistoryModel[]	YES	all history of process change states
workflow	DeployedWorkflowModel	YES	workflow reference
created_at	number	YES	create process at date (timestamp)
created_by	number	YES	who create process
updated_at	number	YES	update process at date (timestamp)

name	type	required	Description
name	string	YES	name of field
value	any	YES	value of field
meta	object	NO	meta data of field