With dynamic matching, you must specify only the type and, for alphanumeric and variable length types, the length of the parameter. CA Ideal copies the remaining attributes from the corresponding item in the calling program. For example, if the parameter is simply defined as signed numeric with dynamic matching, on one call, the parameter might be packed; on the next call, it might be binary.
The rules for characters/digits specification for the parameter depend on the field type. For more information about specifying parameters, see the chapter “Reading and Writing Data.”
The flexibility provided by dynamic matching carries a cost in overhead. It limits how you can use some kinds of parameters. For this reason, you can define parameters with identical matching.
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