Description: Checks whether a named value exists in the shared runtime-variable collection.
Calling convention: CIP_HasRuntimeVariable("VariableName": String): Boolean
Parameters:
VariableName: runtime-variable name. Explicit NULL is accepted.
Returns: Boolean True when the variable exists; False for an unknown or NULL name. A missing argument raises an exception.
Availability: Default; reads shared runtime state.
Example:
Exists := CIP_HasRuntimeVariable("CurrentBatch");