1# OhosImageSourceUpdateData
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4## Overview
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6The **OhosImageSourceUpdateData** struct defines the update data option of the image source. It is obtained by calling [OH_ImageSource_UpdateData](image.md#oh_imagesource_updatedata).
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8**System capability**: SystemCapability.Multimedia.Image
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10**Since**: 10
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12**Related module**: [Image](image.md)
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15## Summary
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18### Member Variables
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20| Name| Description|
21| -------- | -------- |
22| uint8_t \* [buffer](image.md#buffer-22) = nullptr | Defines a pointer to the buffer for storing the update data.|
23| size_t [bufferSize](image.md#buffersize-22) = 0 | Defines the size of the buffer.|
24| uint32_t [offset](image.md#offset) = 0 | Defines the offset of the update data in the buffer.|
25| uint32_t [updateLength](image.md#updatelength) = 0 | Defines the length of the update data in the buffer.|
26| int8_t [isCompleted](image.md#iscompleted) = 0 | Defines whether the image source data update is completed.|
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