1. A method, comprising: loading a document in an editing environment provided by an editing application; receiving data identifying at least a portion of the document, wherein the identified portion of the document includes a format native to the editing application; receiving user input defining an instance of a publishing channel to use in exporting the identified portion of the document, the user input specifying a selected type of the publishing channel and an export setting value associated with the publishing channel, the publishing channel comprising a publishing parameter specifying how the identified portion of the document is to be exported, the publishing parameter comprising the export setting value, the export setting value usable by the editing application to define an exportable version of the portion of the document to be used in the exporting, wherein the exporting includes transforming the format native to the editing application to a second format for use by an additional application, wherein the exporting further includes using the publishing parameter to identify a subset of a plurality of objects included in the document for exporting in the exportable version; and storing data defining the instance of the publishing channel as an object embedded in the document alongside one or more objects embedded in the document and defining the exportable version of the portion of the document, the data defining the instance of the publishing channel comprising the publishing parameter specifying the export setting value, the object referencing the portion of the document and a value for the export setting value.