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In the Process Designer, in the Repository View panel, expand Activities > Source > Context Source.
Drag the Context Source to the Graph Canvas area.
In the Graph Canvas area, right-click the Context Source and click View Properties. Alternately, you can click the Context Source element. This displays the properties of the context source at the Bottom Pane.Anchor View_Properties View_Properties 
A list of properties and their descriptions are displayed in the table below:
Properties
Description
Document Repository
This property specifies whether the data is to be taken from the value of process flow variable, or from the document repository.
If it is set to false, the source data is taken from the Process Flow variable, specified by the Parameter Name property.
If it is set to true, the source data is taken from the repository file specified by the File Name (with full Path) property. Specify the path of the document repository and the name of the repository file, from which the data is to be taken, in this field. The repository can be WebDAV repository or file repository.
eventContextEnabled
By default it is set to No. Select Yes to pass any data from on the event. For example, if you are triggering the process flow using Mail Event and you want to pass the content of the email to the process flow, set this property to yes.
Format
Data Format; whether Plain Type or Record Type. Select Plain Type, if the data is in the Byte Stream. Select Record type, if the data is in the record format.
Label
Label of the Context Source Activity displayed in the Graph Canvas area.
Name
Name of the Context Source activity. By default, it is same as the Process Variable name.
Repository Folder
Name and path of the WebDAV folder. This property is displayed only if the Document Repository property is set to True.
ParameterName
Name of the Process Flow variable, whose value is to be taken as a context source. This property is applicable only when the Document Repository property is set to false.
Source
Name of the stream being consumed by this activity. This property is non-editable and is applicable only for Context Target.
streamNames
Name of the output stream name. This property is non-editable and is applicable only for Context Source.
Sync
Specifies whether the activity will be executed in Sync mode or A-sync mode.
Type
Activity Type whether Context Source or Context Target.
Version Control
Specifies whether versions are to be maintained in the repository file created by Context Target or not. This property is displayed only if the Document Repository property is set to True.