Reset image inside the gallery to blank, when submit button is clicked

I have a Gallery which has a Picture control from powerapps. Need to reset the picture to blank once submit button is clicked or when new record is added in gallery when clicked on + icon.

Tried to add the code Reset(AddMediaButton2)=true in Submit button, but it throws the below error.

Any inputs on how to make the image blank when submit button is clicked or when + icon from top is clicked in the below screenshot. Currently even the + icon shows up the same image from the 1st row. It should show blank image when new record is added.

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General Questions

It seems like you're trying to reset the AddMediaButton2 control using the Reset function, but that's not the correct way to reset a picture control. Instead, you can use the UpdateContext function to set the value of the picture control to blank. Here's how you can do it:

Add a context variable to your app by clicking on the "View" tab in the left-hand pane and selecting "Variables" from the dropdown menu. Then click on "New variable" and give it a name like "ResetPicture".
In your Submit button's OnSelect property, add the following code:

UpdateContext({ResetPicture: true});

In the Picture control's Image property, wrap the current formula with an If statement that checks the value of the ResetPicture variable. Here's an example:

If(ResetPicture, Blank(), ThisItem.Image)

This formula checks whether the ResetPicture variable is true. If it is, the formula returns Blank() which sets the picture control to a blank image. Otherwise, it returns the current image for the item.