Which step is essential for a successful requirement documentation process?

The essential step for a successful requirement documentation process involves ensuring comprehensive details, including value justification. This is crucial because requirement documentation serves as a foundation for understanding what needs to be built and why it is necessary. By including comprehensive details, the requirements not only capture what is needed but also articulate the rationale behind each requirement, which helps stakeholders understand the importance and priority of the functionality.

Value justification ties back to the business needs, allowing for better alignment between the stakeholders’ expectations and the project objectives. This step enhances communication among all parties involved, making it clear why particular features or processes are needed and how they contribute to the overall goals of the organization. When the details and justifications are thoroughly documented, it enables more effective decision-making, prioritization, and ultimately contributes to the project's success.

While the other options—eliminating gaps in information, checking with stakeholders intermittently, and constantly revising completed sections—are important aspects of the requirement documentation process, they do not carry the same level of significance as ensuring comprehensive details and value justification. These activities are more about maintaining the quality and accuracy of the documentation rather than establishing a solid foundational understanding of the requirements themselves.