This tag prints out an error message from formAction, if any.
The formActionMsg tag uses the following attributes:
formId. (Optional) Specifies the name of the form in question. If not specified, the default ID is searchForm.
elem. (optional) Specifies the name of the element. Valid inputs are query and collection. When specified, the tag returns an error message, if any, regarding the element. Otherwise, all of the error messages generated are printed out.
<FormActionMsg elem="query">
This tag displays the message query text not specified if a query is not submitted.
The message is printed from the form action where the tag is placed.