IActionSequenceInput chartModelJsonInput = actionSequenceDocument.createInput( "chart-model-json", STRING_TYPE ); //$NON-NLS-1$
IActionSequenceInput chartWidthInput = actionSequenceDocument.createInput( "chart-width", INTEGER_TYPE ); //$NON-NLS-1$
chartWidthInput.addSource( REQUEST_INPUT_SOURCE, "chart-width" ); //$NON-NLS-1$
chartWidthInput.setDefaultValue( "1" ); //$NON-NLS-1$
IActionSequenceInput chartHeightInput = actionSequenceDocument.createInput( "chart-height", INTEGER_TYPE ); //$NON-NLS-1$
chartHeightInput.addSource( REQUEST_INPUT_SOURCE, "chart-height" ); //$NON-NLS-1$
chartHeightInput.setDefaultValue( "1" ); //$NON-NLS-1$
IActionSequenceInput seriesColumnInput = actionSequenceDocument.createInput( "series-column", STRING_TYPE ); //$NON-NLS-1$
seriesColumnInput.setDefaultValue( "1" ); //$NON-NLS-1$
IActionSequenceInput categoryColumnInput = actionSequenceDocument.createInput( "category-column", STRING_TYPE ); //$NON-NLS-1$
// set a default value of empty string to avoid an error when rendering pie charts (which don't have a category