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Handwriting elements in DOC are not written directly into the DOC file, but into its corresponding mark file. 
static clearMarkElements(filePath: string, page: number): Promise<APIResponse<boolean>>;
Parameters
ParameterTypeDescription
filePathstringDOC file path
pagenumberPage index (starts from 0)
Returns

​
Example

import { PluginFileAPI } from 'sn-plugin-lib';

/**
 * Clear a page mark element example.
 */
export async function exampleClearMarkElements() {
 const filePath = '/storage/emulated/0/Note/demo.pdf';
 const page = 1;

 const res = await PluginFileAPI.clearMarkElements(filePath, page);
 if (!res.success) {
 throw new Error(res.error?.message ?? 'clearMarkElements call failed');
 }
 return res.result;
}