Schemas Node
Use the Schemas node to display schemas deployed in the current application and system schemas that are available in BizTalk. Right-click the Schemas node to display the following commands:
Hide Property Schemas. When selected, filters out schemas used for promoting specific values from within an instance message into the message context. When you select this menu item, it is replaced on the Schemas node menu by Show Property Schemas.
Show Property Schemas. When selected, filters out property schemas. When you select this menu item, it is replaced on the Schemas node menu by Hide Property Schemas.
Property Schemas
About Schemas
Creating Schemas Using BizTalk Editor