# A3DPDFPageFieldSetActionJavascript

A3DStatus `A3DPDFPageFieldSetActionJavascript`(A3DPDFPage *pPage, const A3DUTF8Char *pcFieldName, const A3DPDFEEventActionType eEventActionType, const A3DUTF8Char *pcJavascriptString)
  `A3DStatus` A3DPDFPageFieldSetActionJavascript(`A3DPDFPage`* pPage, const `A3DUTF8Char`* pcFieldName, const `A3DPDFEEventActionType` eEventActionType, const `A3DUTF8Char`* pcJavascriptString)

  Function to attach JavaScript to a form field.

  The JavaScript is defined as a string.

  Parameters

  > pPage: The Page object to work with.

  > pcFieldName: The name of the form field. Only Acroform fields are supported.

  > eEventActionType: The action type. Only `kA3DPDFEventPageOpened`and `kA3DPDFEventPageClosed`are relevant at page level.

  > pcJavascriptString: The string which contains the JavaScript.

  Returns

  > A3D_SUCCESS in case of success or an error code

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