func (g *GraphDefinitionRequest) GetExtraColOk() (string, bool) {
	if g == nil || g.ExtraCol == nil {
		return "", false
	}
	return *g.ExtraCol, true
}
func (g *GraphDefinitionRequest) GetExtraColOk() (string, bool) {
	if g == nil || g.ExtraCol == nil {
		return "", false
	}
	return *g.ExtraCol, true
}
// GetExtraColOk returns a tuple with the ExtraCol field if it's non-nil, zero value otherwise
// and a boolean to check if the value has been set.