Previous Topic Table Of Contents Parent Topic Next Topic |  | # The SWSERROR Function Related Topics Web Server API Function Index
| May be used in Shadow/REXX
| May be used from Other REXX Interpreters
| High-level language interface available
SWSERROR is a built-in function used to retrieve information about the last error condition encountered by a Web Server API function. If no error condition has been encountered, the function returns a NULL string. Otherwise a description of the last error is returned. ## SWSERROR Syntax The SWSERROR function is coded without arguments. The invocation format for SWSERROR is:
        string = SWSERROR( )
## Return Values After the call shown above completes, the variable, string, will be set to a NULL value if no error condition has been encountered. Otherwise it will contain a text-format description of the error. Top