Online Documentation for SQL Administrator for SQL Server
Parameters
The Parameters tab is provided for browsing the list of parameters of the stored procedure.
The parameter list provides the following attributes of each parameter used in the procedure:
Name (parameter name specified by using an at (@) sign as the first character)
Data Type (the parameter data type)
Output (indicates that the parameter is an output parameter)
Read Only
Default Value (a default value for the parameter)
Description
If necessary, you can also use the Description column to supply a description for each parameter.