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A collection of blocks intended to serve as prototypes for creating instances of block types in models. Simulink software uses a special type of model file to store block libraries.
A block in a library that serves as a prototype for creating instances of the block's type in models. You create an instance of the block type by copying the library block into a model.
A connection between a library reference block and a library block that allows Simulink to update the reference block when the library block changes. Simulink creates the link when you create the reference block.

A link to a library block from a reference block whose parameter values differ from those of the library block. Parameterized links reference block parameter values to differ from library block parameter values without losing the advantage of automatic updating of reference blocks when library blocks change.
An instance of a block type in a model linked to a library block that serves as the block type's prototype.
![]() | Example |

Learn more about Simulink through this collection of videos, articles, technical literature and the Getting Started with Simulink Guide.
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