method

UploadsField.PrependHooks

PrependHooks inserts supplied callbacks before existing callbacks in each phase.

Arguments

ArgumentTypeDescription
valueHooks[[]operation.ID]The value value.

Returns

The declared result.

UploadsField

Full signature

Related types

  • UploadsField

    UploadsField configures links to several files in the target upload collection.

  • Hooks

    Hooks registers transforms and event callbacks for one field. Each list runs in declaration order for each field occurrence, including nested array rows. Collection or global hooks run first in the same phase, except AfterCommit, where field callbacks run first. Use ReadHooks for response transformations.

  • ID

    ID is the logical write value of a singular relationship. It is distinct from the potentially populated logical read value.