## Presentation Device Driver Reference for OS/2

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### Link_Chain_Element Parameter - create_flag

create_flag (USHORT) - input The flag that indicates whether the caller wants the function to create a new element or merely link an element into the chain. A value of 1 indicates that a new element should be created and then linked into the chain. A value of 0 indicates that an existing element (pointed to by the new_element_ptr argument) should be linked into the chain.