Help required HTTP POST implementation

[Kevinkun]

but your block is not correct for the RequestHeaders, it should be a list of list, as @Taifun mentioned in last post.
Did you got any error message?

[Raj2022]

This is in continuation of the below post

Help required HTTP POST implementation

Here is an example App Inventor Tutorials and Examples: MySQL | Pura Vida Apps Remove the Get method EDIT: Add the Request header block Use the Post method together with the BuildRequestData method as shown in the example Taifun

The result of above was & it is working

But I tried to modify the data as below

The system works but I get a message as

Please help to find the error.

[Juan_Antonio]

A few days ago we found an error in the SpreadSheet component with the join block. I don't know if the join with Web has the same error.

https://community.appinventor.mit.edu/t/testers-wanted-google-sheets-component/49195/58

Check to put the data in an Intermediate Label.

[Kevinkun]

header should be a list of list.
You need to add a 'make a list' block.

[Raj2022]

Tried the below blocks, same response with no success also the channel is not created.

[Taifun]

You misunderstood..
The request header must be a list of lists, I.e. 2 make a list blocks....
See again

Help required HTTP POST implementation

The request header block needs a list of sublist, each of the sublists is a tag/value pair.. as it is working without being correct, you can omit that block Also the BuildRequestData method needs a list of sublists, i.e.withoug the = name MyChannel1 field1 Stuff field2 Things field3 data Taifun

Taifun

[Raj2022]

Thanks Juan,
I tried as suggested by you.
But no change.

[Raj2022]

Dear Taifun,
if I change anything in request header the channel creation is not happing as per requirements.
We can only work with the PostText.

[Kevinkun]

do you know the meaning of 'list of list'?

or set the header as a Dictionary.

[Taifun]

Here is an example of a correct request Header

App Inventor Tutorials and Examples: Dropbox | Pura Vida Apps

Add a make a list block here

Taifun

[Raj2022]

Thanks Kevinkun,
I did not know but learned from a reply from Taifun.
I tried but with no success.

[Raj2022]

Thanks Taifun,
I understood your reply, but no success.
Please note as soon as I change anything in the Request Header the channel is not created as per requirement. Hence the list of lists did not help.
Sharing both versions I tried.

So I feel something must be done in the PostText section but cannot figure out what exactly.

[Kevinkun]

other same as your previous blocks

[Taifun]

@Raj2022

I understood your reply, but no success

Noone said, you should move everything to the header

Taifun

[Raj2022]

Hi Taifun,
I don't think I am able to understand.
Any change in the Header is not working and PostText works ok but only gives the error message.
So maybe I must live with it.

Thanks for all the help and for getting me up to this level.

[Taifun]

From the blocks in your first post the ONLY thing you have to add is a make a list block in the request header WITHOUT adding or changing anything else

Taifun

[Raj2022]

Hi,
I was not clear on what to add to the second component of make a list. then made a single component make a list, it worked
The working block is as below.

Thanks, both of you.