QgsFieldExpressionWidget.__attribute_docs__={'fieldChanged':'fieldChanged signal with indication of the validity of the expression\n','allowEvalErrorsChanged':"Allow accepting expressions with evaluation errors. This can be useful when we are not able to\nprovide an expression context of which we are sure it's completely populated.\n",'buttonVisibleChanged':'Emitted when the button visibility changes\n\n.. versionadded:: 3.36\n'}