As from 1.7.9, there is no option to use the text from GUI text field in procedures. A block for getting the text from the text field by its name should be added to procedure editor.
MCreator issue tracker has been migrated to GitHub.
Existing tickets have been migrated to GitHub. Please open new tickets on the GitHub tracker instead. If you do not have a GitHub account, all feature requests and bug reports from forums are still considered and checked by the maintainers.