# Editing multiple Survey Complex Items

**URL:** <https://discuss.px4.io/t/editing-multiple-survey-complex-items/26000>\
**Category:** Development\
**Created:** [February 1, 2022, 6:05pm UTC](https://discuss.px4.io/t/editing-multiple-survey-complex-items/26000 "2022-02-01T18:05:29Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Elijah](https://discuss.px4.io/letter_avatar_proxy/v4/letter/e/2bfe46/32.png) [@Elijah](https://discuss.px4.io/u/Elijah)\
**Post date:** [February 1, 2022, 6:05pm UTC](https://discuss.px4.io/t/editing-multiple-survey-complex-items/26000/1 "2022-02-01T18:05:29Z")

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I’m new to working in QT and the QGC project repository.

I’m interested in managing and automatically making changes to multiple surveyComplexItem instances. IE, instances of src/MissionManager/SurveyComplexItem.cc.

I want to be able to automatically remove, add, and edit the parameters of these surveyComplexItem instances.

in which class are instances of surveyComplexItem in scope and accessible?

I see that the SurveyComplexItem class implements TransectStyleComplexItem. I’ve seen that there are SurveyPlanCreator(s) in src/MissionManager/PlanMasterController.cc. I’ve seen that there are calls to the SurveyPlanCreator.createPlan() (which is an inherited method from PlanCreator.createPlan()) method in src/PlanView/PlanView.qml.

I’m struggling where I can find access to these created plans to be able to manipulate them from within the class hierarchy. Any help or pointers would be appreciated!