Bad Point Argument with dotted pairs

[tjlongLMQG9]

I am fairly new to working with autolisp and scripting and I couldn't figure out if there was a reference that would define what the numbers signified in the dotted pair properties in the line I have below. 

I am trying to use a lisp that finds the dotted pair of an object so that mtext within a group can be modified without removing the grouping. I have pretty much everything I need working but I am getting a Bad Point Argument with this specific line:

(setq CURREV1 (ssget "X" (cons 1 R1VAL) '(0 . "MTEXT") '(410 . "Layout1") '(8 . "BORDER_REV")))

Any help is greatly appreciated.

[ВeekeeCZ · Accepted solution]

I'll just fix your filter syntax... The entire filter must be within 1 list.

(setq CURREV1 (ssget "X" (list (cons 1 R1VAL) '(0 . "MTEXT") '(410 . "Layout1") '(8 . "BORDER_REV"))))

Presumably, R1VAL is a string.

[Kent1Cooper · Accepted solution]

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@tjlongLMQG9 wrote:

.... if there was a reference that would define what the numbers signified in the dotted pair properties ....

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See the >DXF Reference's Entities section<, and pick MTEXT from the list, as well as Common Group Codes for Entities at the top.

[tjlongLMQG9]

Thank you both, I didn't realize I needed the list in front, and the reference is exactly what I was looking for!

[Sea-Haven]

Just a comment when in doubt use (list and (cons for all the ssget filters. Saves the ' quote problems.