Altium Designer Documentation


Created: August 2, 2022 | Updated: August 2, 2022

Parent page: PCB Query Functions - Fields


Returns all objects whose Layer property complies with the Query.


L = Layer_String
L <> Layer_String

Layer_String is the name of the layer as it appears on the Layers & Colors tab of the View Configuration panel.

Example Usage

L = 'MultiLayer'
Returns all objects on the Multi-Layer.

L <> 'KeepOutLayer'
Returns all objects except for those on the Keep-Out layer.


  1. The single quote characters (') at the start and end of Layer_String are mandatory.
  2. This function is an alias for the Layer function.
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