Is ID Valid

Test a plot identifier to see if it’s valid. Invalid identifiers might come from uninitialized controls, or from identifiers which have already been closed.

int32_in int32_out Plot ID/Plot ID Out
Plot identifier. Plot ID Out always contains the same value as Plot ID.
bool_out Valid?
Boolean indicating if the identifier is valid.
error_in error_out Error In/Out
Terminals for standard error functionality.