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Hello,

There's no direct method to get the list of variables inside a block.

As getTemplateVariables parses the variables in a document in order, an approach would be iterating the variables to check when a block starts and ends to get the variables inside it.

For example:

$docx = new CreateDocxFromTemplate('template.docx');
$variables = $docx->getTemplateVariables();

$variablesBlock = [];
$blockStart = false;
$blockPlacehoderName = '';
foreach ($variables['document'] as $variable) {
    // check if the variable is a block placeholder
    if (strpos($variable, $docx->getTemplateBlockSymbol()) !== false) {
        $blockStart = !$blockStart;
        $blockPlacehoderName = $variable;
        if (!isset($variablesBlock[$blockPlacehoderName])) {
            $variablesBlock[$blockPlacehoderName] = [];
        }
    }

    // if the variable is in a block placeholder and it isn't a block placeholder, add it to the array
    if ($blockStart && strpos($variable, $docx->getTemplateBlockSymbol()) === false) {
        $variablesBlock[$blockPlacehoderName][] = $variable;
    }
}

print_r($variablesBlock);

This sample code generates a new array with the block placeholders as array keys and the variables as values.

Regards.