Split by detecting Multi Sub-Header Before you start, add a Split Redetect process in an Agreement. Edit the Split Redetect Process. Select Multi Sub-Header and click Edit. On Multi Sub-Header Additional Settings dialog, specify this information: Header Specify a header name. For example: Header1 Header Record Count Specify a numeric value. Trailer Specify a trailer name. For example: Trailer1 Trailer bytes hint Specify a numeric value. Start Position Set all start position to 1 Regex Detection Define a regular expression as bases of split detection. Click Save, OK, and then OK.