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Sets how long a layer appears in your composition.

Example

Parameters

string | string[]
required
Name of the layer to modify. Layers with this name in every composition of the project are changed. Pass an array of names to change several layers.
number
required
Duration value in seconds for how long the layer should be visible.

Notes

  • The function sets the layer’s out point to its in point plus value.
  • For a precomp layer, the function also sets the duration of the nested composition to value.
  • The layer’s start time remains unchanged.
  • Duration is measured in seconds.