[O] custom agenda command with function doesn't work

[Juan Queipo de Llano Moya]

Hello,

I'm trying to write a custom agenda command that cycles through a list of names and builds an agenda block for each one with his tasks.

I wrote a command, that I have called org-sec-tasksbymember that throws a list of tags-todo with the parameters I want. For example, for a list of members ("Me" "Pablo" "Miguel" "Carlos"), defined in a variable, the evaluation of (org-sec-tasksbymember) throws:

((tags-todo "+Resp=\"Me\"") (tags-todo "+Resp=\"Pablo\"") (tags-todo "+Resp=\"Miguel\"") (tags-todo "+Resp=\"Carlos\""))

If I define a custom agenda command like (without using the command):
("q" "Tasks by member" ((tags-todo "+Resp=\"Me\"") (tags-todo "+Resp=\"Pablo\"") (tags-todo "+Resp=\"Miguel\"") (tags-todo "+Resp=\"Carlos\"")))

It works, but if use this agenda command:
("q" "Tasks by member" (org-sec-tasksbymember))
I got an error of Wrong type argument: listp, org-sec-tasksbymember

I can't find a solution. Can anyone help me. I'm sorry if this is dumb.

Thanks

--
Juan Queipo de Llano Moya
Instituto de Ciencias de la Construcción Eduardo Torroja - CSIC
c/ Serrano Galvache, 4
28033 MADRID
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Tel: 91 302 04 40 ext. 202