Use the function
ProUdfdataExternalsymbolsGet() to obtain an array of external symbols required by this UDF. You can free a UDF external symbol handle using the function
ProUdfextsymbolFree() and use the function
ProUdfextsymbolProarrayFree() to free an array of external symbol handles.
Use the function
ProUdfextsymbolTypeGet() to obtain the type of external symbol required (dimension or parameter).
Use the function
ProUdfextsymbolPromptGet() to obtain the prompt for this external symbol.
Use the function
ProUdfextsymbolParametertypeGet() used to obtain the expected parameter type for an external symbol, if the type is
PRO_UDFEXTSYMBOL_PARAM.