set_default_value¶
Syntax¶
Parameters¶
<table_name>- The name of a table that was declared in the variables block.
<value>- The number of days between recordings of the associated output data.
Description¶
Sets the default value to return when a lookup operation in a table fails to find the specified key.
When looking up values in a table, an error occurs if the key does not exist, unless the table has a had a default value set, in which case the default value is returned as the value of the lookup.