/// Apply template
/// - Parameter templatePath: Video template asset path
/// - return: 0 = success, -1 = invalid path, -2 = no permission
- (int)setTemplate:(NSString *)templatePath;

/// Get video template slot information
/// - Parameter templatePath: Video template asset path
- (TAVTemplateConfig *)getTemplateConfig:(NSString *)templatePath;

// Set template path
NSString *templateDir = @"/sdcard/templates/project1";
int result = [editor setTemplateDir:templateDir];
if (result == 0) {
    // Get template configuration
    TAVTemplateConfig *config = [editor getTemplateConfig:templateDir];
    
    // Use configuration info
    NSArray<TAVClipPlaceHolder *> *clipPlaceHolders = config.getSlots();
    for (NSInteger i = 0; i < clipPlaceHolders.count; i++)
        // Process each slot
    }
} else {
    // Handle error
    switch (result) {
        case -1: 
            //"Invalid template path";
            break;
        case -2:
            //"Invalid template authorization";
            break;
    }
}