Package org.gradle.api.tasks

## Interface TaskOutputFilePropertyBuilder

- All Superinterfaces:
    `TaskFilePropertyBuilder`, `TaskPropertyBuilder`

      public interface TaskOutputFilePropertyBuilder
      extends TaskFilePropertyBuilder

  Describes an output property of a task that contains zero or more files.
  Since:
    3.0

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `TaskOutputFilePropertyBuilder` | `optional()` | Marks a task property as optional.
    `TaskOutputFilePropertyBuilder` | `optional​(boolean optional)` | Sets whether the task property is optional.
    `TaskOutputFilePropertyBuilder` | `withPropertyName​(String propertyName)` | Sets the name for this property.

- - ### Method Detail

    - #### withPropertyName

          TaskOutputFilePropertyBuilder withPropertyName​(String propertyName)

      Sets the name for this property. The name must be a non-empty string.

      If the method is not called, or if it is called with `null`, a name will be assigned to the property automatically.

      Specified by:
        `withPropertyName` in interface `TaskFilePropertyBuilder`

    - #### optional

          TaskOutputFilePropertyBuilder optional()

      Marks a task property as optional. This means that a value does not have to be specified for the property, but any value specified must meet the validation constraints for the property.

    - #### optional

          TaskOutputFilePropertyBuilder optional​(boolean optional)

      Sets whether the task property is optional. If the task property is optional, it means that a value does not have to be specified for the property, but any value specified must meet the validation constraints for the property.