What is the ruling on adding "al-shukr" (gratitude) after rising from the bowing?

Question:
What is the ruling on adding the word "al-shukr" (gratitude) in our saying: "Our Lord, to You belongs all praise"?

Answer:
What is known from the hadiths is that the Prophet (peace and blessings be upon him), when he raised his head from the bowing, would say: , then after that he would say: , and sometimes he would say: , and sometimes he would say: , and sometimes he would say: . These are four narrations, four descriptions that came in the texts. The one praying alone and the one praying behind the imam also say this: , or: , or: , or: , and so on: . And if he added more, he would say: .
This is prescribed for the believing man and the believing woman, and for the imam, the one praying alone, and the one praying behind the imam; it is prescribed for all of them. However, the imam and the one praying alone begin with , then they say: . As for the one praying behind the imam, he says: as soon as he raises his head from the bowing, saying: , or .
As for the word "wa al-shukr" (and gratitude), I do not know of any basis for it. However, it means the same as al-hamd (praise); because al-hamd means gratitude and praise. So if al-hamd is mentioned, al-shukr is included in it. Al-shukr is praising Allah with words and deeds, so there is no need for it; it is included in his saying: . If a person says it, it does not harm his prayer, and there is no blame on him for it. But leaving it out is more appropriate; because it was not transmitted. Otherwise, it is included in the meaning of al-hamd. But the believer does not bring something from his own mind. Leaving it out is more appropriate, so he should restrict himself to saying: , and that is sufficient. He does not need to add "wa al-shukr"; because it was not transmitted in the texts, as far as we know. Even though it is included in the meaning of al-hamd, the believer should stick to the texts, and acts of worship are based on divine legislation. So it is better for the believer to say: only, without adding "wa al-shukr" when he rises from the bowing. Some of the common people say this word, but it does not harm their prayer. However, they should be guided and taught that it is better to leave it out; because it was not transmitted.