You can edit folders, the precision of columns, and filters in a source definition.
Double-click the title bar of the source definition in the Source Analyzer.
The source definition appears.
Click the Metadata Extensions tab.
Enter filter conditions for a field in the Value field. For example, to retrieve emails containing the exact phrase specified in the Subject field, modify the metadata extension named Subject as follows:
contains phrase:email server
Edit the folder name for the FolderBusinessName metadata extension.
Enter a fully qualified name for a folder if the folder is nested within another folder. Separate the folder names with the delimiter specific to the mail server. For example, if the folder RecentMails is nested within the INBOX folder and slash (/) acts as a delimiter for the mail server, enter the following path: