You need to define a workflow-level variable of text type to store the user input.

您需要定义一个工作流级别的文本类型变量来存储用户输入。

youdao

Those constructs include type constraints, length constraints, control types (drop-down list, text input, range), and iterative structures.

那些构造包括类型约束、长度约束、控制类型（下拉列表、文本输入、范围）和迭代结构。

youdao

<xf:input> (HTML type="text">) displays a standard text input field; you've already seen this one in action several times.

<xf:input>（HTML type="text">）显示一个标准的文本输入字段，我们已经多次用到了它。

youdao

Users are more likely to calm down and actually share their concern when they can navigate easily and type their input into just one text box.

FORBES: When Mobile Shoppers Get Mad, Don't Just Leave Them Your Number